Merge "Make BubbleOverflowActivity Injectable"
diff --git a/Android.bp b/Android.bp
index eb9928c..f6e0104 100644
--- a/Android.bp
+++ b/Android.bp
@@ -492,8 +492,7 @@
         "framework-sdkextensions-stubs-systemapi",
         // TODO(b/146167933): Use framework-statsd-stubs instead.
         "framework-statsd",
-        // TODO(b/140299412): should be framework-wifi-stubs
-        "framework-wifi",
+        "framework-wifi-stubs",
         "ike-stubs",
         // TODO(b/147200698): should be the stub of framework-tethering
         "framework-tethering",
@@ -529,7 +528,8 @@
         "compat-changeid-annotation-processor",
     ],
     static_libs: [
-        "exoplayer2-core"
+        "exoplayer2-core",
+        "android.hardware.wifi-V1.0-java-constants",
     ]
 }
 
diff --git a/apex/appsearch/framework/java/android/app/appsearch/AppSearch.java b/apex/appsearch/framework/java/android/app/appsearch/AppSearch.java
new file mode 100644
index 0000000..e779b69
--- /dev/null
+++ b/apex/appsearch/framework/java/android/app/appsearch/AppSearch.java
@@ -0,0 +1,762 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.appsearch;
+
+import android.annotation.CurrentTimeSecondsLong;
+import android.annotation.IntRange;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.util.ArrayUtils;
+
+import com.google.android.icing.proto.DocumentProto;
+import com.google.android.icing.proto.PropertyProto;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Objects;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Collection of all AppSearch Document Types.
+ *
+ * @hide
+ */
+// TODO(b/143789408) Spilt this class to make all subclasses to their own file.
+public final class AppSearch {
+
+    private AppSearch() {}
+    /**
+     * Represents a document unit.
+     *
+     * <p>Documents are constructed via {@link Document.Builder}.
+     *
+     * @hide
+     */
+    // TODO(b/143789408) set TTL for document in mProtoBuilder
+    // TODO(b/144518768) add visibility field if the stakeholders are comfortable with a no-op
+    //  opt-in for this release.
+    public static class Document {
+        private static final String TAG = "AppSearch.Document";
+
+        /**
+         * The maximum number of elements in a repeatable field. Will reject the request if exceed
+         * this limit.
+         */
+        private static final int MAX_REPEATED_PROPERTY_LENGTH = 100;
+
+        /**
+         * The maximum {@link String#length} of a {@link String} field. Will reject the request if
+         * {@link String}s longer than this.
+         */
+        private static final int MAX_STRING_LENGTH = 20_000;
+
+        /**
+         * Contains {@link Document} basic information (uri, schemaType etc) and properties ordered
+         * by keys.
+         */
+        @NonNull
+        private final DocumentProto mProto;
+
+        /** Contains all properties in {@link #mProto} to support get properties via keys. */
+        @NonNull
+        private final Bundle mPropertyBundle;
+
+        /**
+         * Create a new {@link Document}.
+         * @param proto Contains {@link Document} basic information (uri, schemaType etc) and
+         *               properties ordered by keys.
+         * @param propertyBundle Contains all properties in {@link #mProto} to support get
+         *                        properties via keys.
+         */
+        private Document(@NonNull DocumentProto proto, @NonNull Bundle propertyBundle) {
+            this.mProto = proto;
+            this.mPropertyBundle = propertyBundle;
+        }
+
+        /**
+         * Create a new {@link Document} from an existing instance.
+         *
+         * <p>This method should be only used by constructor of a subclass.
+         */
+        // TODO(b/143789408) add constructor take DocumentProto to create a document.
+        protected Document(@NonNull Document document) {
+            this(document.mProto, document.mPropertyBundle);
+        }
+
+        /**
+         * Creates a new {@link Document.Builder}.
+         *
+         * @param uri The uri of {@link Document}.
+         * @param schemaType The schema type of the {@link Document}. The passed-in
+         *     {@code schemaType} must be defined using {@link AppSearchManager#setSchema} prior to
+         *     inserting a document of this {@code schemaType} into the AppSearch index using
+         *     {@link AppSearchManager#put}. Otherwise, the document will be rejected by
+         *     {@link AppSearchManager#put}.
+         * @hide
+         */
+        @NonNull
+        public static Builder newBuilder(@NonNull String uri, @NonNull String schemaType) {
+            return new Builder(uri, schemaType);
+        }
+
+        /**
+         * Get the {@link DocumentProto} of the {@link Document}.
+         *
+         * <p>The {@link DocumentProto} contains {@link Document}'s basic information and all
+         *    properties ordered by keys.
+         * @hide
+         */
+        @NonNull
+        @VisibleForTesting
+        public DocumentProto getProto() {
+            return mProto;
+        }
+
+        /**
+         * Get the uri of the {@link Document}.
+         *
+         * @hide
+         */
+        @NonNull
+        public String getUri() {
+            return mProto.getUri();
+        }
+
+        /**
+         * Get the schema type of the {@link Document}.
+         * @hide
+         */
+        @NonNull
+        public String getSchemaType() {
+            return mProto.getSchema();
+        }
+
+        /**
+         * Get the creation timestamp in seconds of the {@link Document}.
+         *
+         * @hide
+         */
+        // TODO(b/143789408) Change seconds to millis with Icing library.
+        @CurrentTimeSecondsLong
+        public long getCreationTimestampSecs() {
+            return mProto.getCreationTimestampSecs();
+        }
+
+        /**
+         * Returns the score of the {@link Document}.
+         *
+         * <p>The score is a query-independent measure of the document's quality, relative to other
+         * {@link Document}s of the same type.
+         *
+         * <p>The default value is 0.
+         *
+         * @hide
+         */
+        public int getScore() {
+            return mProto.getScore();
+        }
+
+        /**
+         * Retrieve a {@link String} value by key.
+         *
+         * @param key The key to look for.
+         * @return The first {@link String} associated with the given key or {@code null} if there
+         *     is no such key or the value is of a different type.
+         * @hide
+         */
+        @Nullable
+        public String getPropertyString(@NonNull String key) {
+            String[] propertyArray = getPropertyStringArray(key);
+            if (ArrayUtils.isEmpty(propertyArray)) {
+                return null;
+            }
+            warnIfSinglePropertyTooLong("String", key, propertyArray.length);
+            return propertyArray[0];
+        }
+
+        /**
+         * Retrieve a {@link Long} value by key.
+         *
+         * @param key The key to look for.
+         * @return The first {@link Long} associated with the given key or {@code null} if there
+         *     is no such key or the value is of a different type.
+         * @hide
+         */
+        @Nullable
+        public Long getPropertyLong(@NonNull String key) {
+            long[] propertyArray = getPropertyLongArray(key);
+            if (ArrayUtils.isEmpty(propertyArray)) {
+                return null;
+            }
+            warnIfSinglePropertyTooLong("Long", key, propertyArray.length);
+            return propertyArray[0];
+        }
+
+        /**
+         * Retrieve a {@link Double} value by key.
+         *
+         * @param key The key to look for.
+         * @return The first {@link Double} associated with the given key or {@code null} if there
+         *     is no such key or the value is of a different type.
+         * @hide
+         */
+        @Nullable
+        public Double getPropertyDouble(@NonNull String key) {
+            double[] propertyArray = getPropertyDoubleArray(key);
+            // TODO(tytytyww): Add support double array to ArraysUtils.isEmpty().
+            if (propertyArray == null || propertyArray.length == 0) {
+                return null;
+            }
+            warnIfSinglePropertyTooLong("Double", key, propertyArray.length);
+            return propertyArray[0];
+        }
+
+        /**
+         * Retrieve a {@link Boolean} value by key.
+         *
+         * @param key The key to look for.
+         * @return The first {@link Boolean} associated with the given key or {@code null} if there
+         *     is no such key or the value is of a different type.
+         * @hide
+         */
+        @Nullable
+        public Boolean getPropertyBoolean(@NonNull String key) {
+            boolean[] propertyArray = getPropertyBooleanArray(key);
+            if (ArrayUtils.isEmpty(propertyArray)) {
+                return null;
+            }
+            warnIfSinglePropertyTooLong("Boolean", key, propertyArray.length);
+            return propertyArray[0];
+        }
+
+        /** Prints a warning to logcat if the given propertyLength is greater than 1. */
+        private static void warnIfSinglePropertyTooLong(
+                @NonNull String propertyType, @NonNull String key, int propertyLength) {
+            if (propertyLength > 1) {
+                Log.w(TAG, "The value for \"" + key + "\" contains " + propertyLength
+                        + " elements. Only the first one will be returned from "
+                        + "getProperty" + propertyType + "(). Try getProperty" + propertyType
+                        + "Array().");
+            }
+        }
+
+        /**
+         * Retrieve a repeated {@code String} property by key.
+         *
+         * @param key The key to look for.
+         * @return The {@code String[]} associated with the given key, or {@code null} if no value
+         *     is set or the value is of a different type.
+         * @hide
+         */
+        @Nullable
+        public String[] getPropertyStringArray(@NonNull String key) {
+            return getAndCastPropertyArray(key, String[].class);
+        }
+
+        /**
+         * Retrieve a repeated {@code long} property by key.
+         *
+         * @param key The key to look for.
+         * @return The {@code long[]} associated with the given key, or {@code null} if no value is
+         *     set or the value is of a different type.
+         * @hide
+         */
+        @Nullable
+        public long[] getPropertyLongArray(@NonNull String key) {
+            return getAndCastPropertyArray(key, long[].class);
+        }
+
+        /**
+         * Retrieve a repeated {@code double} property by key.
+         *
+         * @param key The key to look for.
+         * @return The {@code double[]} associated with the given key, or {@code null} if no value
+         *     is set or the value is of a different type.
+         * @hide
+         */
+        @Nullable
+        public double[] getPropertyDoubleArray(@NonNull String key) {
+            return getAndCastPropertyArray(key, double[].class);
+        }
+
+        /**
+         * Retrieve a repeated {@code boolean} property by key.
+         *
+         * @param key The key to look for.
+         * @return The {@code boolean[]} associated with the given key, or {@code null} if no value
+         *     is set or the value is of a different type.
+         * @hide
+         */
+        @Nullable
+        public boolean[] getPropertyBooleanArray(@NonNull String key) {
+            return getAndCastPropertyArray(key, boolean[].class);
+        }
+
+        /**
+         * Gets a repeated property of the given key, and casts it to the given class type, which
+         * must be an array class type.
+         */
+        @Nullable
+        private <T> T getAndCastPropertyArray(@NonNull String key, @NonNull Class<T> tClass) {
+            Object value = mPropertyBundle.get(key);
+            if (value == null) {
+                return null;
+            }
+            try {
+                return tClass.cast(value);
+            } catch (ClassCastException e) {
+                Log.w(TAG, "Error casting to requested type for key \"" + key + "\"", e);
+                return null;
+            }
+        }
+
+        @Override
+        public boolean equals(@Nullable Object other) {
+            // Check only proto's equality is sufficient here since all properties in
+            // mPropertyBundle are ordered by keys and stored in proto.
+            if (this == other) {
+                return true;
+            }
+            if (!(other instanceof Document)) {
+                return false;
+            }
+            Document otherDocument = (Document) other;
+            return this.mProto.equals(otherDocument.mProto);
+        }
+
+        @Override
+        public int hashCode() {
+            // Hash only proto is sufficient here since all properties in mPropertyBundle are
+            // ordered by keys and stored in proto.
+            return mProto.hashCode();
+        }
+
+        @Override
+        public String toString() {
+            return mProto.toString();
+        }
+
+        /**
+         * The builder class for {@link Document}.
+         *
+         * @param <BuilderType> Type of subclass who extend this.
+         * @hide
+         */
+        public static class Builder<BuilderType extends Builder> {
+
+            private final Bundle mPropertyBundle = new Bundle();
+            private final DocumentProto.Builder mProtoBuilder = DocumentProto.newBuilder();
+            private final BuilderType mBuilderTypeInstance;
+
+            /**
+             * Create a new {@link Document.Builder}.
+             *
+             * @param uri The uri of {@link Document}.
+             * @param schemaType The schema type of the {@link Document}. The passed-in
+             *     {@code schemaType} must be defined using {@link AppSearchManager#setSchema} prior
+             *     to inserting a document of this {@code schemaType} into the AppSearch index using
+             *     {@link AppSearchManager#put}. Otherwise, the document will be rejected by
+             *     {@link AppSearchManager#put}.
+             * @hide
+             */
+            protected Builder(@NonNull String uri, @NonNull String schemaType) {
+                mBuilderTypeInstance = (BuilderType) this;
+                mProtoBuilder.setUri(uri).setSchema(schemaType);
+                 // Set current timestamp for creation timestamp by default.
+                setCreationTimestampSecs(
+                        TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis()));
+            }
+
+            /**
+             * Set the score of the {@link Document}.
+             *
+             * <p>The score is a query-independent measure of the document's quality, relative to
+             * other {@link Document}s of the same type.
+             *
+             * @throws IllegalArgumentException If the provided value is negative.
+             * @hide
+             */
+            @NonNull
+            public BuilderType setScore(@IntRange(from = 0, to = Integer.MAX_VALUE) int score) {
+                if (score < 0) {
+                    throw new IllegalArgumentException("Document score cannot be negative");
+                }
+                mProtoBuilder.setScore(score);
+                return mBuilderTypeInstance;
+            }
+
+            /**
+             * Set the creation timestamp in seconds of the {@link Document}.
+             *
+             * @hide
+             */
+            @NonNull
+            public BuilderType setCreationTimestampSecs(
+                    @CurrentTimeSecondsLong long creationTimestampSecs) {
+                mProtoBuilder.setCreationTimestampSecs(creationTimestampSecs);
+                return mBuilderTypeInstance;
+            }
+
+            /**
+             * Sets one or multiple {@code String} values for a property, replacing its previous
+             * values.
+             *
+             * @param key The key associated with the {@code values}.
+             * @param values The {@code String} values of the property.
+             * @hide
+             */
+            @NonNull
+            public BuilderType setProperty(@NonNull String key, @NonNull String... values) {
+                putInBundle(mPropertyBundle, key, values);
+                return mBuilderTypeInstance;
+            }
+
+            /**
+             * Sets one or multiple {@code boolean} values for a property, replacing its previous
+             * values.
+             *
+             * @param key The key associated with the {@code values}.
+             * @param values The {@code boolean} values of the schema.org property.
+             * @hide
+             */
+            @NonNull
+            public BuilderType setProperty(@NonNull String key, @NonNull boolean... values) {
+                putInBundle(mPropertyBundle, key, values);
+                return mBuilderTypeInstance;
+            }
+
+            /**
+             * Sets one or multiple {@code long} values for a property, replacing its previous
+             * values.
+             *
+             * @param key The key associated with the {@code values}.
+             * @param values The {@code long} values of the schema.org property.
+             * @hide
+             */
+            @NonNull
+            public BuilderType setProperty(@NonNull String key, @NonNull long... values) {
+                putInBundle(mPropertyBundle, key, values);
+                return mBuilderTypeInstance;
+            }
+
+            /**
+             * Sets one or multiple {@code double} values for a property, replacing its previous
+             * values.
+             *
+             * @param key The key associated with the {@code values}.
+             * @param values The {@code double} values of the schema.org property.
+             * @hide
+             */
+            @NonNull
+            public BuilderType setProperty(@NonNull String key, @NonNull double... values) {
+                putInBundle(mPropertyBundle, key, values);
+                return mBuilderTypeInstance;
+            }
+
+            private static void putInBundle(
+                    @NonNull Bundle bundle, @NonNull String key, @NonNull String... values)
+                    throws IllegalArgumentException {
+                Objects.requireNonNull(key);
+                Objects.requireNonNull(values);
+                validateRepeatedPropertyLength(key, values.length);
+                for (int i = 0; i < values.length; i++) {
+                    if (values[i] == null) {
+                        throw new IllegalArgumentException("The String at " + i + " is null.");
+                    } else if (values[i].length() > MAX_STRING_LENGTH) {
+                        throw new IllegalArgumentException("The String at " + i + " length is: "
+                                + values[i].length()  + ", which exceeds length limit: "
+                                + MAX_STRING_LENGTH + ".");
+                    }
+                }
+                bundle.putStringArray(key, values);
+            }
+
+            private static void putInBundle(
+                    @NonNull Bundle bundle, @NonNull String key, @NonNull boolean... values) {
+                Objects.requireNonNull(key);
+                Objects.requireNonNull(values);
+                validateRepeatedPropertyLength(key, values.length);
+                bundle.putBooleanArray(key, values);
+            }
+
+            private static void putInBundle(
+                    @NonNull Bundle bundle, @NonNull String key, @NonNull double... values) {
+                Objects.requireNonNull(key);
+                Objects.requireNonNull(values);
+                validateRepeatedPropertyLength(key, values.length);
+                bundle.putDoubleArray(key, values);
+            }
+
+            private static void putInBundle(
+                    @NonNull Bundle bundle, @NonNull String key, @NonNull long... values) {
+                Objects.requireNonNull(key);
+                Objects.requireNonNull(values);
+                validateRepeatedPropertyLength(key, values.length);
+                bundle.putLongArray(key, values);
+            }
+
+            private static void validateRepeatedPropertyLength(@NonNull String key, int length) {
+                if (length == 0) {
+                    throw new IllegalArgumentException("The input array is empty.");
+                } else if (length > MAX_REPEATED_PROPERTY_LENGTH) {
+                    throw new IllegalArgumentException(
+                            "Repeated property \"" + key + "\" has length " + length
+                                    + ", which exceeds the limit of "
+                                    + MAX_REPEATED_PROPERTY_LENGTH);
+                }
+            }
+
+            /**
+             * Builds the {@link Document} object.
+             * @hide
+             */
+            public Document build() {
+                // Build proto by sorting the keys in propertyBundle to exclude the influence of
+                // order. Therefore documents will generate same proto as long as the contents are
+                // same. Note that the order of repeated fields is still preserved.
+                ArrayList<String> keys = new ArrayList<>(mPropertyBundle.keySet());
+                Collections.sort(keys);
+                for (String key : keys) {
+                    Object values = mPropertyBundle.get(key);
+                    PropertyProto.Builder propertyProto = PropertyProto.newBuilder().setName(key);
+                    if (values instanceof boolean[]) {
+                        for (boolean value : (boolean[]) values) {
+                            propertyProto.addBooleanValues(value);
+                        }
+                    } else if (values instanceof long[]) {
+                        for (long value : (long[]) values) {
+                            propertyProto.addInt64Values(value);
+                        }
+                    } else if (values instanceof double[]) {
+                        for (double value : (double[]) values) {
+                            propertyProto.addDoubleValues(value);
+                        }
+                    } else if (values instanceof String[]) {
+                        for (String value : (String[]) values) {
+                            propertyProto.addStringValues(value);
+                        }
+                    } else {
+                        throw new IllegalStateException(
+                                "Property \"" + key + "\" has unsupported value type \""
+                                        + values.getClass().getSimpleName() + "\"");
+                    }
+                    mProtoBuilder.addProperties(propertyProto);
+                }
+                return new Document(mProtoBuilder.build(), mPropertyBundle);
+            }
+        }
+    }
+
+    /**
+     * Encapsulates a {@link Document} that represent an email.
+     *
+     * <p>This class is a higher level implement of {@link Document}.
+     *
+     * <p>This class will eventually migrate to Jetpack, where it will become public API.
+     *
+     * @hide
+     */
+    public static class Email extends Document {
+
+        /** The name of the schema type for {@link Email} documents.*/
+        public static final String SCHEMA_TYPE = "builtin:Email";
+
+        private static final String KEY_FROM = "from";
+        private static final String KEY_TO = "to";
+        private static final String KEY_CC = "cc";
+        private static final String KEY_BCC = "bcc";
+        private static final String KEY_SUBJECT = "subject";
+        private static final String KEY_BODY = "body";
+
+        /**
+         * Creates a new {@link Email} from the contents of an existing {@link Document}.
+         *
+         * @param document The {@link Document} containing the email content.
+         */
+        public Email(@NonNull Document document) {
+            super(document);
+        }
+
+        /**
+         * Creates a new {@link Email.Builder}.
+         *
+         * @param uri The uri of {@link Email}.
+         */
+        public static Builder newBuilder(@NonNull String uri) {
+            return new Builder(uri);
+        }
+
+        /**
+         * Get the from address of {@link Email}.
+         *
+         * @return Returns the subject of {@link Email} or {@code null} if it's not been set yet.
+         * @hide
+         */
+        @Nullable
+        public String getFrom() {
+            return getPropertyString(KEY_FROM);
+        }
+
+        /**
+         * Get the destination address of {@link Email}.
+         *
+         * @return Returns the destination address of {@link Email} or {@code null} if it's not been
+         *         set yet.
+         * @hide
+         */
+        @Nullable
+        public String[] getTo() {
+            return getPropertyStringArray(KEY_TO);
+        }
+
+        /**
+         * Get the CC list of {@link Email}.
+         *
+         * @return Returns the CC list of {@link Email} or {@code null} if it's not been set yet.
+         * @hide
+         */
+        @Nullable
+        public String[] getCc() {
+            return getPropertyStringArray(KEY_CC);
+        }
+
+        /**
+         * Get the BCC list of {@link Email}.
+         *
+         * @return Returns the BCC list of {@link Email} or {@code null} if it's not been set yet.
+         * @hide
+         */
+        @Nullable
+        public String[] getBcc() {
+            return getPropertyStringArray(KEY_BCC);
+        }
+
+        /**
+         * Get the subject of {@link Email}.
+         *
+         * @return Returns the value subject of {@link Email} or {@code null} if it's not been set
+         * yet.
+         * @hide
+         */
+        @Nullable
+        public String getSubject() {
+            return getPropertyString(KEY_SUBJECT);
+        }
+
+        /**
+         * Get the body of {@link Email}.
+         *
+         * @return Returns the body of {@link Email} or {@code null} if it's not been set yet.
+         * @hide
+         */
+        @Nullable
+        public String getBody() {
+            return getPropertyString(KEY_BODY);
+        }
+
+        /**
+         * The builder class for {@link Email}.
+         * @hide
+         */
+        public static class Builder extends Document.Builder<Email.Builder> {
+
+            /**
+             * Create a new {@link Email.Builder}
+             * @param uri The Uri of the Email.
+             * @hide
+             */
+            private Builder(@NonNull String uri) {
+                super(uri, SCHEMA_TYPE);
+            }
+
+            /**
+             * Set the from address of {@link Email}
+             * @hide
+             */
+            @NonNull
+            public Email.Builder setFrom(@NonNull String from) {
+                setProperty(KEY_FROM, from);
+                return this;
+            }
+
+            /**
+             * Set the destination address of {@link Email}
+             * @hide
+             */
+            @NonNull
+            public Email.Builder setTo(@NonNull String... to) {
+                setProperty(KEY_TO, to);
+                return this;
+            }
+
+            /**
+             * Set the CC list of {@link Email}
+             * @hide
+             */
+            @NonNull
+            public Email.Builder setCc(@NonNull String... cc) {
+                setProperty(KEY_CC, cc);
+                return this;
+            }
+
+            /**
+             * Set the BCC list of {@link Email}
+             * @hide
+             */
+            @NonNull
+            public Email.Builder setBcc(@NonNull String... bcc) {
+                setProperty(KEY_BCC, bcc);
+                return this;
+            }
+
+            /**
+             * Set the subject of {@link Email}
+             * @hide
+             */
+            @NonNull
+            public Email.Builder setSubject(@NonNull String subject) {
+                setProperty(KEY_SUBJECT, subject);
+                return this;
+            }
+
+            /**
+             * Set the body of {@link Email}
+             * @hide
+             */
+            @NonNull
+            public Email.Builder setBody(@NonNull String body) {
+                setProperty(KEY_BODY, body);
+                return this;
+            }
+
+            /**
+             * Builds the {@link Email} object.
+             *
+             * @hide
+             */
+            @NonNull
+            @Override
+            public Email build() {
+                return new Email(super.build());
+            }
+        }
+    }
+}
diff --git a/apex/appsearch/framework/java/android/app/appsearch/AppSearchManager.java b/apex/appsearch/framework/java/android/app/appsearch/AppSearchManager.java
index 58bb605..83195dc 100644
--- a/apex/appsearch/framework/java/android/app/appsearch/AppSearchManager.java
+++ b/apex/appsearch/framework/java/android/app/appsearch/AppSearchManager.java
@@ -18,6 +18,7 @@
 import android.annotation.CallbackExecutor;
 import android.annotation.NonNull;
 import android.annotation.SystemService;
+import android.app.appsearch.AppSearch.Document;
 import android.content.Context;
 import android.os.RemoteException;
 
@@ -25,6 +26,7 @@
 
 import com.google.android.icing.proto.SchemaProto;
 
+import java.util.List;
 import java.util.concurrent.Executor;
 import java.util.function.Consumer;
 
@@ -95,4 +97,34 @@
         }
         future.whenCompleteAsync((noop, err) -> callback.accept(err), executor);
     }
+
+    /**
+     * Index {@link Document} to AppSearch
+     *
+     * <p>You should not call this method directly; instead, use the {@code AppSearch#put()} API
+     * provided by JetPack.
+     *
+     * <p>The schema should be set via {@link #setSchema} method.
+     *
+     * @param documents {@link Document Documents} that need to be indexed.
+     * @param executor Executor on which to invoke the callback.
+     * @param callback Callback to receive errors resulting from setting the schema. If the
+     *                 operation succeeds, the callback will be invoked with {@code null}.
+     */
+    public void put(@NonNull List<Document> documents,
+            @NonNull @CallbackExecutor Executor executor,
+            @NonNull Consumer<? super Throwable> callback) {
+        AndroidFuture<Void> future = new AndroidFuture<>();
+        for (Document document : documents) {
+            // TODO(b/146386470) batching Document protos
+            try {
+                mService.put(document.getProto().toByteArray(), future);
+            } catch (RemoteException e) {
+                future.completeExceptionally(e);
+                break;
+            }
+        }
+        // TODO(b/147614371) Fix error report for multiple documents.
+        future.whenCompleteAsync((noop, err) -> callback.accept(err), executor);
+    }
 }
diff --git a/apex/appsearch/framework/java/android/app/appsearch/IAppSearchManager.aidl b/apex/appsearch/framework/java/android/app/appsearch/IAppSearchManager.aidl
index 8085aa8..fc83d8c 100644
--- a/apex/appsearch/framework/java/android/app/appsearch/IAppSearchManager.aidl
+++ b/apex/appsearch/framework/java/android/app/appsearch/IAppSearchManager.aidl
@@ -28,4 +28,5 @@
      *     if setSchema fails.
      */
     void setSchema(in byte[] schemaProto, in AndroidFuture callback);
+    void put(in byte[] documentBytes, in AndroidFuture callback);
 }
diff --git a/apex/appsearch/service/java/com/android/server/appsearch/AppSearchManagerService.java b/apex/appsearch/service/java/com/android/server/appsearch/AppSearchManagerService.java
index 96316b3..042f051 100644
--- a/apex/appsearch/service/java/com/android/server/appsearch/AppSearchManagerService.java
+++ b/apex/appsearch/service/java/com/android/server/appsearch/AppSearchManagerService.java
@@ -43,6 +43,16 @@
             try {
                 SchemaProto schema = SchemaProto.parseFrom(schemaBytes);
                 throw new UnsupportedOperationException("setSchema not yet implemented: " + schema);
+
+            } catch (Throwable t) {
+                callback.completeExceptionally(t);
+            }
+        }
+
+        @Override
+        public void put(byte[] documentBytes, AndroidFuture callback) {
+            try {
+                throw new UnsupportedOperationException("Put document not yet implemented");
             } catch (Throwable t) {
                 callback.completeExceptionally(t);
             }
diff --git a/api/current.txt b/api/current.txt
index 5cef398..6d05797 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -30521,6 +30521,11 @@
     field @Deprecated public static final String[] strings;
   }
 
+  @Deprecated public static class WifiConfiguration.SuiteBCipher {
+    field @Deprecated public static final int ECDHE_ECDSA = 0; // 0x0
+    field @Deprecated public static final int ECDHE_RSA = 1; // 0x1
+  }
+
   public class WifiEnterpriseConfig implements android.os.Parcelable {
     ctor public WifiEnterpriseConfig();
     ctor public WifiEnterpriseConfig(android.net.wifi.WifiEnterpriseConfig);
@@ -44075,6 +44080,7 @@
     method public java.util.List<android.telecom.Call> getChildren();
     method public java.util.List<android.telecom.Call> getConferenceableCalls();
     method public android.telecom.Call.Details getDetails();
+    method @Nullable public android.telecom.Call getGenericConferenceActiveChildCall();
     method public android.telecom.Call getParent();
     method public String getRemainingPostDialSequence();
     method @Nullable public android.telecom.Call.RttCall getRttCall();
@@ -44158,6 +44164,7 @@
     method public int getCallerDisplayNamePresentation();
     method public int getCallerNumberVerificationStatus();
     method public final long getConnectTimeMillis();
+    method @Nullable public String getContactDisplayName();
     method public long getCreationTimeMillis();
     method public android.telecom.DisconnectCause getDisconnectCause();
     method public android.os.Bundle getExtras();
@@ -45167,6 +45174,39 @@
     field public static final int PRIORITY_MED = 2; // 0x2
   }
 
+  public final class BarringInfo implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public android.telephony.BarringInfo.BarringServiceInfo getBarringServiceInfo(int);
+    method public boolean isServiceBarred(int);
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field public static final int BARRING_SERVICE_TYPE_CS_FALLBACK = 5; // 0x5
+    field public static final int BARRING_SERVICE_TYPE_CS_SERVICE = 0; // 0x0
+    field public static final int BARRING_SERVICE_TYPE_CS_VOICE = 2; // 0x2
+    field public static final int BARRING_SERVICE_TYPE_EMERGENCY = 8; // 0x8
+    field public static final int BARRING_SERVICE_TYPE_MMTEL_VIDEO = 7; // 0x7
+    field public static final int BARRING_SERVICE_TYPE_MMTEL_VOICE = 6; // 0x6
+    field public static final int BARRING_SERVICE_TYPE_MO_DATA = 4; // 0x4
+    field public static final int BARRING_SERVICE_TYPE_MO_SIGNALLING = 3; // 0x3
+    field public static final int BARRING_SERVICE_TYPE_PS_SERVICE = 1; // 0x1
+    field public static final int BARRING_SERVICE_TYPE_SMS = 9; // 0x9
+    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.BarringInfo> CREATOR;
+  }
+
+  public static final class BarringInfo.BarringServiceInfo implements android.os.Parcelable {
+    method public int describeContents();
+    method public int getBarringType();
+    method public int getConditionalBarringFactor();
+    method public int getConditionalBarringTimeSeconds();
+    method public boolean isBarred();
+    method public boolean isConditionallyBarred();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field public static final int BARRING_TYPE_CONDITIONAL = 1; // 0x1
+    field public static final int BARRING_TYPE_NONE = 0; // 0x0
+    field public static final int BARRING_TYPE_UNCONDITIONAL = 2; // 0x2
+    field public static final int BARRING_TYPE_UNKNOWN = -1; // 0xffffffff
+    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.BarringInfo.BarringServiceInfo> CREATOR;
+  }
+
   public class CarrierConfigManager {
     method @Nullable public android.os.PersistableBundle getConfig();
     method @Nullable public android.os.PersistableBundle getConfigByComponentForSubId(@NonNull String, int);
@@ -45860,6 +45900,7 @@
     ctor public PhoneStateListener();
     ctor public PhoneStateListener(@NonNull java.util.concurrent.Executor);
     method public void onActiveDataSubscriptionIdChanged(int);
+    method public void onBarringInfoChanged(@NonNull android.telephony.BarringInfo);
     method @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public void onCallDisconnectCauseChanged(int, int);
     method public void onCallForwardingIndicatorChanged(boolean);
     method public void onCallStateChanged(int, String);
@@ -45877,6 +45918,7 @@
     method public void onSignalStrengthsChanged(android.telephony.SignalStrength);
     method public void onUserMobileDataStateChanged(boolean);
     field public static final int LISTEN_ACTIVE_DATA_SUBSCRIPTION_ID_CHANGE = 4194304; // 0x400000
+    field @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE) public static final int LISTEN_BARRING_INFO = -2147483648; // 0x80000000
     field @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public static final int LISTEN_CALL_DISCONNECT_CAUSES = 33554432; // 0x2000000
     field public static final int LISTEN_CALL_FORWARDING_INDICATOR = 8; // 0x8
     field public static final int LISTEN_CALL_STATE = 32; // 0x20
diff --git a/api/system-current.txt b/api/system-current.txt
index 09684d8..91b1b57 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -8097,6 +8097,7 @@
   public static final class Settings.Global extends android.provider.Settings.NameValueTable {
     method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public static boolean putString(@NonNull android.content.ContentResolver, @NonNull String, @Nullable String, @Nullable String, boolean);
     method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public static void resetToDefaults(@NonNull android.content.ContentResolver, @Nullable String);
+    field public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
     field public static final String APP_STANDBY_ENABLED = "app_standby_enabled";
     field public static final String AUTOFILL_COMPAT_MODE_ALLOWED_PACKAGES = "autofill_compat_mode_allowed_packages";
     field public static final String CARRIER_APP_NAMES = "carrier_app_names";
@@ -8109,13 +8110,21 @@
     field public static final String EUICC_UNSUPPORTED_COUNTRIES = "euicc_unsupported_countries";
     field public static final String INSTALL_CARRIER_APP_NOTIFICATION_PERSISTENT = "install_carrier_app_notification_persistent";
     field public static final String INSTALL_CARRIER_APP_NOTIFICATION_SLEEP_MILLIS = "install_carrier_app_notification_sleep_millis";
+    field public static final String NETWORK_RECOMMENDATIONS_ENABLED = "network_recommendations_enabled";
     field public static final String OTA_DISABLE_AUTOMATIC_UPDATE = "ota_disable_automatic_update";
     field public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
+    field public static final String SOFT_AP_TIMEOUT_ENABLED = "soft_ap_timeout_enabled";
     field public static final String TETHER_OFFLOAD_DISABLED = "tether_offload_disabled";
     field public static final String TETHER_SUPPORTED = "tether_supported";
     field public static final String THEATER_MODE_ON = "theater_mode_on";
     field public static final String WEBVIEW_MULTIPROCESS = "webview_multiprocess";
     field public static final String WIFI_BADGING_THRESHOLDS = "wifi_badging_thresholds";
+    field public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
+    field public static final String WIFI_P2P_PENDING_FACTORY_RESET = "wifi_p2p_pending_factory_reset";
+    field public static final String WIFI_SCAN_ALWAYS_AVAILABLE = "wifi_scan_always_enabled";
+    field public static final String WIFI_SCAN_THROTTLE_ENABLED = "wifi_scan_throttle_enabled";
+    field public static final String WIFI_SCORE_PARAMS = "wifi_score_params";
+    field public static final String WIFI_VERBOSE_LOGGING_ENABLED = "wifi_verbose_logging_enabled";
     field public static final String WIFI_WAKEUP_ENABLED = "wifi_wakeup_enabled";
   }
 
@@ -9467,6 +9476,11 @@
     field public static final int TRANSPORT_TYPE_WWAN = 1; // 0x1
   }
 
+  public final class BarringInfo implements android.os.Parcelable {
+    ctor public BarringInfo();
+    method @NonNull public android.telephony.BarringInfo createLocationInfoSanitizedCopy();
+  }
+
   public final class CallAttributes implements android.os.Parcelable {
     ctor public CallAttributes(@NonNull android.telephony.PreciseCallState, int, @NonNull android.telephony.CallQuality);
     method public int describeContents();
@@ -10727,6 +10741,7 @@
     field public static final int CDMA_SUBSCRIPTION_NV = 1; // 0x1
     field public static final int CDMA_SUBSCRIPTION_RUIM_SIM = 0; // 0x0
     field public static final int CDMA_SUBSCRIPTION_UNKNOWN = -1; // 0xffffffff
+    field public static final int DEFAULT_PREFERRED_NETWORK_MODE = 0; // 0x0
     field public static final String EXTRA_ANOMALY_DESCRIPTION = "android.telephony.extra.ANOMALY_DESCRIPTION";
     field public static final String EXTRA_ANOMALY_ID = "android.telephony.extra.ANOMALY_ID";
     field @Deprecated public static final String EXTRA_APN_PROTOCOL = "apnProto";
@@ -10789,6 +10804,7 @@
   public class TelephonyRegistryManager {
     method public void addOnOpportunisticSubscriptionsChangedListener(@NonNull android.telephony.SubscriptionManager.OnOpportunisticSubscriptionsChangedListener, @NonNull java.util.concurrent.Executor);
     method public void addOnSubscriptionsChangedListener(@NonNull android.telephony.SubscriptionManager.OnSubscriptionsChangedListener, @NonNull java.util.concurrent.Executor);
+    method public void notifyBarringInfoChanged(int, int, @NonNull android.telephony.BarringInfo);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void notifyCallStateChangedForAllSubscriptions(int, @Nullable String);
     method public void notifyCarrierNetworkChange(boolean);
     method public void notifyRegistrationFailed(int, int, @NonNull android.telephony.CellIdentity, @NonNull String, int, int, int);
diff --git a/api/test-current.txt b/api/test-current.txt
index 32959c9..6498e9a 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -3137,6 +3137,15 @@
     field public static final int TRANSPORT_TYPE_WWAN = 1; // 0x1
   }
 
+  public final class BarringInfo implements android.os.Parcelable {
+    ctor public BarringInfo();
+    ctor public BarringInfo(@Nullable android.telephony.CellIdentity, @NonNull android.util.SparseArray<android.telephony.BarringInfo.BarringServiceInfo>);
+  }
+
+  public static final class BarringInfo.BarringServiceInfo implements android.os.Parcelable {
+    ctor public BarringInfo.BarringServiceInfo(int, boolean, int, int);
+  }
+
   public final class CallQuality implements android.os.Parcelable {
     ctor public CallQuality(int, int, int, int, int, int, int, int, int, int, int);
     ctor public CallQuality(int, int, int, int, int, int, int, int, int, int, int, boolean, boolean, boolean);
diff --git a/core/java/android/app/usage/UsageEvents.java b/core/java/android/app/usage/UsageEvents.java
index d840c1c..6ab880d 100644
--- a/core/java/android/app/usage/UsageEvents.java
+++ b/core/java/android/app/usage/UsageEvents.java
@@ -451,21 +451,7 @@
 
         /** @hide */
         public Event(Event orig) {
-            mPackage = orig.mPackage;
-            mClass = orig.mClass;
-            mInstanceId = orig.mInstanceId;
-            mTaskRootPackage = orig.mTaskRootPackage;
-            mTaskRootClass = orig.mTaskRootClass;
-            mTimeStamp = orig.mTimeStamp;
-            mEventType = orig.mEventType;
-            mConfiguration = orig.mConfiguration;
-            mShortcutId = orig.mShortcutId;
-            mAction = orig.mAction;
-            mContentType = orig.mContentType;
-            mContentAnnotations = orig.mContentAnnotations;
-            mFlags = orig.mFlags;
-            mBucketAndReason = orig.mBucketAndReason;
-            mNotificationChannelId = orig.mNotificationChannelId;
+            copyFrom(orig);
         }
 
         /**
@@ -622,6 +608,24 @@
             // which instant apps can't use anyway, so there's no need to hide them.
             return ret;
         }
+
+        private void copyFrom(Event orig) {
+            mPackage = orig.mPackage;
+            mClass = orig.mClass;
+            mInstanceId = orig.mInstanceId;
+            mTaskRootPackage = orig.mTaskRootPackage;
+            mTaskRootClass = orig.mTaskRootClass;
+            mTimeStamp = orig.mTimeStamp;
+            mEventType = orig.mEventType;
+            mConfiguration = orig.mConfiguration;
+            mShortcutId = orig.mShortcutId;
+            mAction = orig.mAction;
+            mContentType = orig.mContentType;
+            mContentAnnotations = orig.mContentAnnotations;
+            mFlags = orig.mFlags;
+            mBucketAndReason = orig.mBucketAndReason;
+            mNotificationChannelId = orig.mNotificationChannelId;
+        }
     }
 
     // Only used when creating the resulting events. Not used for reading/unparceling.
@@ -725,10 +729,14 @@
             return false;
         }
 
-        readEventFromParcel(mParcel, eventOut);
+        if (mParcel != null) {
+            readEventFromParcel(mParcel, eventOut);
+        } else {
+            eventOut.copyFrom(mEventsToWrite.get(mIndex));
+        }
 
         mIndex++;
-        if (mIndex >= mEventCount) {
+        if (mIndex >= mEventCount && mParcel != null) {
             mParcel.recycle();
             mParcel = null;
         }
diff --git a/core/java/android/hardware/soundtrigger/SoundTrigger.java b/core/java/android/hardware/soundtrigger/SoundTrigger.java
index 456ebf2..1932f46 100644
--- a/core/java/android/hardware/soundtrigger/SoundTrigger.java
+++ b/core/java/android/hardware/soundtrigger/SoundTrigger.java
@@ -34,6 +34,7 @@
 import android.media.AudioFormat;
 import android.media.soundtrigger_middleware.ISoundTriggerMiddlewareService;
 import android.media.soundtrigger_middleware.SoundTriggerModuleDescriptor;
+import android.media.soundtrigger_middleware.Status;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
@@ -41,6 +42,7 @@
 import android.os.Parcelable;
 import android.os.RemoteException;
 import android.os.ServiceManager;
+import android.os.ServiceSpecificException;
 import android.util.Log;
 
 import java.lang.annotation.Retention;
@@ -1676,6 +1678,45 @@
     }
 
     /**
+     * Translate an exception thrown from interaction with the underlying service to an error code.
+     * Throws a runtime exception for unexpected conditions.
+     * @param e The caught exception.
+     * @return The error code.
+     *
+     * @hide
+     */
+    static int handleException(Exception e) {
+        Log.w(TAG, "Exception caught", e);
+        if (e instanceof RemoteException) {
+            return STATUS_DEAD_OBJECT;
+        }
+        if (e instanceof ServiceSpecificException) {
+            switch (((ServiceSpecificException) e).errorCode) {
+                case Status.OPERATION_NOT_SUPPORTED:
+                    return STATUS_INVALID_OPERATION;
+                case Status.TEMPORARY_PERMISSION_DENIED:
+                    return STATUS_PERMISSION_DENIED;
+                case Status.DEAD_OBJECT:
+                    return STATUS_DEAD_OBJECT;
+            }
+            return STATUS_ERROR;
+        }
+        if (e instanceof SecurityException) {
+            return STATUS_PERMISSION_DENIED;
+        }
+        if (e instanceof IllegalStateException) {
+            return STATUS_INVALID_OPERATION;
+        }
+        if (e instanceof IllegalArgumentException || e instanceof NullPointerException) {
+            return STATUS_BAD_VALUE;
+        }
+        // This is not one of the conditions represented by our error code, escalate to a
+        // RuntimeException.
+        Log.e(TAG, "Escalating unexpected exception: ", e);
+        throw new RuntimeException(e);
+    }
+
+    /**
      * Returns a list of descriptors for all hardware modules loaded.
      * @param modules A ModuleProperties array where the list will be returned.
      * @return - {@link #STATUS_OK} in case of success
@@ -1697,9 +1738,8 @@
                 modules.add(ConversionUtil.aidl2apiModuleDescriptor(desc));
             }
             return STATUS_OK;
-        } catch (RemoteException e) {
-            Log.e(TAG, "Exception caught", e);
-            return STATUS_DEAD_OBJECT;
+        } catch (Exception e) {
+            return handleException(e);
         }
     }
 
diff --git a/core/java/android/hardware/soundtrigger/SoundTriggerModule.java b/core/java/android/hardware/soundtrigger/SoundTriggerModule.java
index 03d29a3..9bd3992 100644
--- a/core/java/android/hardware/soundtrigger/SoundTriggerModule.java
+++ b/core/java/android/hardware/soundtrigger/SoundTriggerModule.java
@@ -78,7 +78,7 @@
                 mService = null;
             }
         } catch (Exception e) {
-            handleException(e);
+            SoundTrigger.handleException(e);
         }
     }
 
@@ -115,7 +115,7 @@
             }
             return SoundTrigger.STATUS_BAD_VALUE;
         } catch (Exception e) {
-            return handleException(e);
+            return SoundTrigger.handleException(e);
         }
     }
 
@@ -137,7 +137,7 @@
             mService.unloadModel(soundModelHandle);
             return SoundTrigger.STATUS_OK;
         } catch (Exception e) {
-            return handleException(e);
+            return SoundTrigger.handleException(e);
         }
     }
 
@@ -166,7 +166,7 @@
                     ConversionUtil.api2aidlRecognitionConfig(config));
             return SoundTrigger.STATUS_OK;
         } catch (Exception e) {
-            return handleException(e);
+            return SoundTrigger.handleException(e);
         }
     }
 
@@ -189,7 +189,7 @@
             mService.stopRecognition(soundModelHandle);
             return SoundTrigger.STATUS_OK;
         } catch (Exception e) {
-            return handleException(e);
+            return SoundTrigger.handleException(e);
         }
     }
 
@@ -214,7 +214,7 @@
             mService.forceRecognitionEvent(soundModelHandle);
             return SoundTrigger.STATUS_OK;
         } catch (Exception e) {
-            return handleException(e);
+            return SoundTrigger.handleException(e);
         }
     }
 
@@ -242,7 +242,7 @@
                     ConversionUtil.api2aidlModelParameter(modelParam), value);
             return SoundTrigger.STATUS_OK;
         } catch (Exception e) {
-            return handleException(e);
+            return SoundTrigger.handleException(e);
         }
     }
 
@@ -296,23 +296,6 @@
         }
     }
 
-    private int handleException(Exception e) {
-        Log.e(TAG, "", e);
-        if (e instanceof NullPointerException) {
-            return SoundTrigger.STATUS_NO_INIT;
-        }
-        if (e instanceof RemoteException) {
-            return SoundTrigger.STATUS_DEAD_OBJECT;
-        }
-        if (e instanceof IllegalArgumentException) {
-            return SoundTrigger.STATUS_BAD_VALUE;
-        }
-        if (e instanceof IllegalStateException) {
-            return SoundTrigger.STATUS_INVALID_OPERATION;
-        }
-        return SoundTrigger.STATUS_ERROR;
-    }
-
     private class EventHandlerDelegate extends ISoundTriggerCallback.Stub implements
             IBinder.DeathRecipient {
         private final Handler mHandler;
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index e2b33e0..4f84183 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -5137,7 +5137,6 @@
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
-            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
@@ -8820,9 +8819,9 @@
          * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
          * will be turned off when entering airplane mode, but the user will be able to reenable
          * Wifi in the Settings app.
-         *
-         * {@hide}
+         * @hide
          */
+        @SystemApi
         public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
 
         /**
@@ -9994,24 +9993,17 @@
         * Setting to allow scans to be enabled even wifi is turned off for connectivity.
         * @hide
         */
+       @SystemApi
        public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
                 "wifi_scan_always_enabled";
 
         /**
-         * The interval in milliseconds at which wifi rtt ranging requests will be throttled when
-         * they are coming from the background.
-         *
-         * @hide
-         */
-        public static final String WIFI_RTT_BACKGROUND_EXEC_GAP_MS =
-                "wifi_rtt_background_exec_gap_ms";
-
-        /**
          * Indicate whether factory reset request is pending.
          *
          * Type: int (0 for false, 1 for true)
          * @hide
          */
+        @SystemApi
         public static final String WIFI_P2P_PENDING_FACTORY_RESET =
                 "wifi_p2p_pending_factory_reset";
 
@@ -10021,6 +10013,7 @@
          * Type: int (0 for false, 1 for true)
          * @hide
          */
+        @SystemApi
         public static final String SOFT_AP_TIMEOUT_ENABLED = "soft_ap_timeout_enabled";
 
         /**
@@ -10064,10 +10057,10 @@
          * enabled state.
          * @hide
          */
+        @SystemApi
         public static final String NETWORK_RECOMMENDATIONS_ENABLED =
                 "network_recommendations_enabled";
 
-
         /**
          * Which package name to use for network recommendations. If null, network recommendations
          * will neither be requested nor accepted.
@@ -10092,17 +10085,6 @@
         public static final String USE_OPEN_WIFI_PACKAGE = "use_open_wifi_package";
 
         /**
-         * The number of milliseconds the {@link com.android.server.NetworkScoreService}
-         * will give a recommendation request to complete before returning a default response.
-         *
-         * Type: long
-         * @hide
-         * @deprecated to be removed
-         */
-        public static final String NETWORK_RECOMMENDATION_REQUEST_TIMEOUT_MS =
-                "network_recommendation_request_timeout_ms";
-
-        /**
          * The expiration time in milliseconds for the {@link android.net.WifiKey} request cache in
          * {@link com.android.server.wifi.RecommendedNetworkEvaluator}.
          *
@@ -10120,6 +10102,7 @@
          * Type: int (0 for false, 1 for true)
          * @hide
          */
+        @SystemApi
         public static final String WIFI_SCAN_THROTTLE_ENABLED = "wifi_scan_throttle_enabled";
 
         /**
@@ -10228,18 +10211,11 @@
                "wifi_watchdog_poor_network_test_enabled";
 
        /**
-        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
-        * needs to be set to 0 to disable it.
-        * @hide
-        */
-       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
-               "wifi_suspend_optimizations_enabled";
-
-       /**
         * Setting to enable verbose logging in Wi-Fi; disabled by default, and setting to 1
         * will enable it. In the future, additional values may be supported.
         * @hide
         */
+       @SystemApi
        public static final String WIFI_VERBOSE_LOGGING_ENABLED =
                "wifi_verbose_logging_enabled";
 
@@ -10265,69 +10241,10 @@
          * Errors in the parameters will cause the entire setting to be ignored.
          * @hide
          */
+        @SystemApi
         public static final String WIFI_SCORE_PARAMS =
                 "wifi_score_params";
 
-        /**
-         * Setting to enable logging WifiIsUnusableEvent in metrics
-         * which gets triggered when wifi becomes unusable.
-         * Disabled by default, and setting it to 1 will enable it.
-         * @hide
-         */
-        public static final String WIFI_IS_UNUSABLE_EVENT_METRICS_ENABLED =
-                "wifi_is_unusable_event_metrics_enabled";
-
-        /**
-         * The minimum number of txBad the framework has to observe
-         * to trigger a wifi data stall.
-         * @hide
-         */
-        public static final String WIFI_DATA_STALL_MIN_TX_BAD =
-                "wifi_data_stall_min_tx_bad";
-
-        /**
-         * The minimum number of txSuccess the framework has to observe
-         * to trigger a wifi data stall when rxSuccess is 0.
-         * @hide
-         */
-        public static final String WIFI_DATA_STALL_MIN_TX_SUCCESS_WITHOUT_RX =
-                "wifi_data_stall_min_tx_success_without_rx";
-
-        /**
-         * Setting to enable logging Wifi LinkSpeedCounts in metrics.
-         * Disabled by default, and setting it to 1 will enable it.
-         * @hide
-         */
-        public static final String WIFI_LINK_SPEED_METRICS_ENABLED =
-                "wifi_link_speed_metrics_enabled";
-
-        /**
-         * Setting to enable the PNO frequency culling optimization.
-         * Disabled by default, and setting it to 1 will enable it.
-         * The value is boolean (0 or 1).
-         * @hide
-         */
-        public static final String WIFI_PNO_FREQUENCY_CULLING_ENABLED =
-                "wifi_pno_frequency_culling_enabled";
-
-        /**
-         * Setting to enable including recency information when determining pno network priorities.
-         * Disabled by default, and setting it to 1 will enable it.
-         * The value is boolean (0 or 1).
-         * @hide
-         */
-        public static final String WIFI_PNO_RECENCY_SORTING_ENABLED =
-                "wifi_pno_recency_sorting_enabled";
-
-        /**
-         * Setting to enable the Wi-Fi link probing.
-         * Enabled by default, and setting it to 0 will disable it.
-         * The value is boolean (0 or 1).
-         * @hide
-         */
-        public static final String WIFI_LINK_PROBING_ENABLED =
-                "wifi_link_probing_enabled";
-
        /**
         * The maximum number of times we will retry a connection to an access
         * point for which we have failed in acquiring an IP address from DHCP.
@@ -10367,6 +10284,7 @@
         * The Wi-Fi peer-to-peer device name
         * @hide
         */
+       @SystemApi
        public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
 
        /**
diff --git a/core/java/android/telephony/PhoneStateListener.java b/core/java/android/telephony/PhoneStateListener.java
index e08a06a..c9d3b92 100644
--- a/core/java/android/telephony/PhoneStateListener.java
+++ b/core/java/android/telephony/PhoneStateListener.java
@@ -384,6 +384,17 @@
     @RequiresPermission(Manifest.permission.READ_PHONE_STATE)
     public static final int LISTEN_REGISTRATION_FAILURE = 0x40000000;
 
+    /**
+     * Listen for Barring Information for the current registered / camped cell.
+     *
+     * <p>Requires permission {@link android.Manifest.permission#READ_PHONE_STATE} or the calling
+     * app has carrier privileges (see {@link TelephonyManager#hasCarrierPrivileges}).
+     *
+     * @see #onBarringInfoChanged()
+     */
+    @RequiresPermission(Manifest.permission.READ_PHONE_STATE)
+    public static final int LISTEN_BARRING_INFO = 0x80000000;
+
     /*
      * Subscription used to listen to the phone state changes
      * @hide
@@ -979,6 +990,20 @@
     }
 
     /**
+     * Report updated barring information for the current camped/registered cell.
+     *
+     * <p>Barring info is provided for all services applicable to the current camped/registered
+     * cell, for the registered PLMN and current access class/access category.
+     *
+     * @param barringInfo for all services on the current cell.
+     *
+     * @see android.telephony.BarringInfo
+     */
+    public void onBarringInfoChanged(@NonNull BarringInfo barringInfo) {
+        // default implementation empty
+    }
+
+    /**
      * The callback methods need to be called on the handler thread where
      * this object was created.  If the binder did that for us it'd be nice.
      *
@@ -1262,6 +1287,14 @@
                             cellIdentity, chosenPlmn, domain, causeCode, additionalCauseCode)));
             // default implementation empty
         }
+
+        public void onBarringInfoChanged(BarringInfo barringInfo) {
+            PhoneStateListener psl = mPhoneStateListenerWeakRef.get();
+            if (psl == null) return;
+
+            Binder.withCleanCallingIdentity(
+                    () -> mExecutor.execute(() -> psl.onBarringInfoChanged(barringInfo)));
+        }
     }
 
 
diff --git a/core/java/android/telephony/TelephonyRegistryManager.java b/core/java/android/telephony/TelephonyRegistryManager.java
index 9387a2c..4dffa62 100644
--- a/core/java/android/telephony/TelephonyRegistryManager.java
+++ b/core/java/android/telephony/TelephonyRegistryManager.java
@@ -708,4 +708,21 @@
         } catch (RemoteException ex) {
         }
     }
+
+    /**
+     * Notify {@link BarringInfo} has changed for a specific subscription.
+     *
+     * @param slotIndex for the phone object that got updated barring info.
+     * @param subId for which the BarringInfo changed.
+     * @param barringInfo updated BarringInfo.
+     */
+    public void notifyBarringInfoChanged(
+            int slotIndex, int subId, @NonNull BarringInfo barringInfo) {
+        try {
+            sRegistry.notifyBarringInfoChanged(slotIndex, subId, barringInfo);
+        } catch (RemoteException ex) {
+            // system server crash
+        }
+    }
+
 }
diff --git a/core/java/com/android/internal/config/sysui/SystemUiDeviceConfigFlags.java b/core/java/com/android/internal/config/sysui/SystemUiDeviceConfigFlags.java
index 9fbc1b7..de64573 100644
--- a/core/java/com/android/internal/config/sysui/SystemUiDeviceConfigFlags.java
+++ b/core/java/com/android/internal/config/sysui/SystemUiDeviceConfigFlags.java
@@ -357,6 +357,13 @@
      */
     public static final String SCREENSHOT_SCROLLING_ENABLED = "enable_screenshot_scrolling";
 
+    // Flags related to Nav Bar
+
+    /**
+     * (boolean) Whether to force the Nav Bar handle to remain opaque.
+     */
+    public static final String NAV_BAR_HANDLE_FORCE_OPAQUE = "nav_bar_handle_force_opaque";
+
     private SystemUiDeviceConfigFlags() {
     }
 }
diff --git a/core/java/com/android/internal/telephony/IPhoneStateListener.aidl b/core/java/com/android/internal/telephony/IPhoneStateListener.aidl
index 6fd271c..0f50596 100644
--- a/core/java/com/android/internal/telephony/IPhoneStateListener.aidl
+++ b/core/java/com/android/internal/telephony/IPhoneStateListener.aidl
@@ -16,6 +16,7 @@
 
 package com.android.internal.telephony;
 
+import android.telephony.BarringInfo;
 import android.telephony.CallAttributes;
 import android.telephony.CellIdentity;
 import android.telephony.CellInfo;
@@ -64,4 +65,5 @@
     void onImsCallDisconnectCauseChanged(in ImsReasonInfo imsReasonInfo);
     void onRegistrationFailed(in CellIdentity cellIdentity,
              String chosenPlmn, int domain, int causeCode, int additionalCauseCode);
+    void onBarringInfoChanged(in BarringInfo barringInfo);
 }
diff --git a/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl b/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
index 8e97ae1..47752c5 100644
--- a/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
+++ b/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
@@ -19,6 +19,7 @@
 import android.content.Intent;
 import android.net.LinkProperties;
 import android.net.NetworkCapabilities;
+import android.telephony.BarringInfo;
 import android.telephony.CallQuality;
 import android.telephony.CellIdentity;
 import android.telephony.CellInfo;
@@ -99,4 +100,5 @@
     void notifyImsDisconnectCause(int subId, in ImsReasonInfo imsReasonInfo);
     void notifyRegistrationFailed(int slotIndex, int subId, in CellIdentity cellIdentity,
             String chosenPlmn, int domain, int causeCode, int additionalCauseCode);
+    void notifyBarringInfoChanged(int slotIndex, int subId, in BarringInfo barringInfo);
 }
diff --git a/core/res/res/layout/autofill_inline_suggestion.xml b/core/res/res/layout/autofill_inline_suggestion.xml
new file mode 100644
index 0000000..f7ac164
--- /dev/null
+++ b/core/res/res/layout/autofill_inline_suggestion.xml
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="wrap_content"
+    android:layout_height="56dp"
+    android:background="@color/white"
+    android:orientation="horizontal"
+    android:paddingStart="12dp"
+    android:paddingEnd="12dp">
+
+    <ImageView
+        android:id="@+id/autofill_inline_suggestion_start_icon"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:layout_gravity="center"
+        android:contentDescription="autofill_inline_suggestion_start_icon" />
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:layout_gravity="center"
+        android:layout_weight="1"
+        android:layout_marginStart="12dp"
+        android:layout_marginEnd="12dp"
+        android:orientation="vertical"
+        android:gravity="center_vertical">
+
+        <TextView
+            android:id="@+id/autofill_inline_suggestion_title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:maxLines="1"
+            tools:text="username1"/>
+
+        <TextView
+            android:id="@+id/autofill_inline_suggestion_subtitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:maxLines="1"
+            tools:text="inline fill service"/>
+    </LinearLayout>
+
+    <ImageView
+        android:id="@+id/autofill_inline_suggestion_end_icon"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:layout_gravity="center"
+        android:contentDescription="autofill_inline_suggestion_end_icon" />
+</LinearLayout>
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index f977ea8..4354c0d 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -723,11 +723,11 @@
     <string name="permgroupdesc_sms">send and view SMS messages</string>
 
     <!-- Title of a category of application permissions, listed so the user can choose whether they want to allow the application to do this. -->
-    <string name="permgrouplab_storage">Storage</string>
+    <string name="permgrouplab_storage">Files and media</string>
     <!-- Description of a category of application permissions, listed so the user can choose whether they want to allow the application to do this. -->
     <string name="permgroupdesc_storage">access photos, media, and files on your device</string>
 
-    <!-- Title of a category of application permissioncds, listed so the user can choose whether they want to allow the application to do this. -->
+    <!-- Title of a category of application permissions, listed so the user can choose whether they want to allow the application to do this. -->
     <string name="permgrouplab_microphone">Microphone</string>
     <!-- Description of a category of application permissions, listed so the user can choose whether they want to allow the application to do this. -->
     <string name="permgroupdesc_microphone">record audio</string>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 30dbfc7..67e4743 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3235,6 +3235,7 @@
   <java-symbol type="layout" name="autofill_dataset_picker"/>
   <java-symbol type="layout" name="autofill_dataset_picker_fullscreen"/>
   <java-symbol type="layout" name="autofill_dataset_picker_header_footer"/>
+  <java-symbol type="layout" name="autofill_inline_suggestion" />
   <java-symbol type="id" name="autofill" />
   <java-symbol type="id" name="autofill_dataset_footer"/>
   <java-symbol type="id" name="autofill_dataset_header"/>
@@ -3242,6 +3243,10 @@
   <java-symbol type="id" name="autofill_dataset_list"/>
   <java-symbol type="id" name="autofill_dataset_picker"/>
   <java-symbol type="id" name="autofill_dataset_title" />
+  <java-symbol type="id" name="autofill_inline_suggestion_end_icon" />
+  <java-symbol type="id" name="autofill_inline_suggestion_start_icon" />
+  <java-symbol type="id" name="autofill_inline_suggestion_subtitle" />
+  <java-symbol type="id" name="autofill_inline_suggestion_title" />
   <java-symbol type="id" name="autofill_save_custom_subtitle" />
   <java-symbol type="id" name="autofill_save_icon" />
   <java-symbol type="id" name="autofill_save_no" />
diff --git a/core/tests/coretests/src/android/app/appsearch/AppSearchDocumentTest.java b/core/tests/coretests/src/android/app/appsearch/AppSearchDocumentTest.java
new file mode 100644
index 0000000..2091d55
--- /dev/null
+++ b/core/tests/coretests/src/android/app/appsearch/AppSearchDocumentTest.java
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.appsearch;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.testng.Assert.assertThrows;
+
+import android.app.appsearch.AppSearch.Document;
+
+import androidx.test.filters.SmallTest;
+
+import com.google.android.icing.proto.DocumentProto;
+import com.google.android.icing.proto.PropertyProto;
+
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+
+@SmallTest
+public class AppSearchDocumentTest {
+
+    @Test
+    public void testDocumentEquals_Identical() {
+        Document document1 = Document.newBuilder("uri1", "schemaType1")
+                .setCreationTimestampSecs(0L)
+                .setProperty("longKey1", 1L, 2L, 3L)
+                .setProperty("doubleKey1", 1.0, 2.0, 3.0)
+                .setProperty("booleanKey1", true, false, true)
+                .setProperty("stringKey1", "test-value1", "test-value2", "test-value3")
+                .build();
+        Document document2 = Document.newBuilder("uri1", "schemaType1")
+                .setCreationTimestampSecs(0L)
+                .setProperty("longKey1", 1L, 2L, 3L)
+                .setProperty("doubleKey1", 1.0, 2.0, 3.0)
+                .setProperty("booleanKey1", true, false, true)
+                .setProperty("stringKey1", "test-value1", "test-value2", "test-value3")
+                .build();
+        assertThat(document1).isEqualTo(document2);
+        assertThat(document1.hashCode()).isEqualTo(document2.hashCode());
+    }
+
+    @Test
+    public void testDocumentEquals_DifferentOrder() {
+        Document document1 = Document.newBuilder("uri1", "schemaType1")
+                .setCreationTimestampSecs(0L)
+                .setProperty("longKey1", 1L, 2L, 3L)
+                .setProperty("doubleKey1", 1.0, 2.0, 3.0)
+                .setProperty("booleanKey1", true, false, true)
+                .setProperty("stringKey1", "test-value1", "test-value2", "test-value3")
+                .build();
+
+        // Create second document with same parameter but different order.
+        Document document2 = Document.newBuilder("uri1", "schemaType1")
+                .setCreationTimestampSecs(0L)
+                .setProperty("booleanKey1", true, false, true)
+                .setProperty("stringKey1", "test-value1", "test-value2", "test-value3")
+                .setProperty("doubleKey1", 1.0, 2.0, 3.0)
+                .setProperty("longKey1", 1L, 2L, 3L)
+                .build();
+        assertThat(document1).isEqualTo(document2);
+        assertThat(document1.hashCode()).isEqualTo(document2.hashCode());
+    }
+
+    @Test
+    public void testDocumentEquals_Failure() {
+        Document document1 = Document.newBuilder("uri1", "schemaType1")
+                .setProperty("longKey1", 1L, 2L, 3L)
+                .build();
+
+        // Create second document with same order but different value.
+        Document document2 = Document.newBuilder("uri1", "schemaType1")
+                .setProperty("longKey1", 1L, 2L, 4L) // Different
+                .build();
+        assertThat(document1).isNotEqualTo(document2);
+        assertThat(document1.hashCode()).isNotEqualTo(document2.hashCode());
+    }
+
+    @Test
+    public void testDocumentEquals_Failure_RepeatedFieldOrder() {
+        Document document1 = Document.newBuilder("uri1", "schemaType1")
+                .setProperty("booleanKey1", true, false, true)
+                .build();
+
+        // Create second document with same order but different value.
+        Document document2 = Document.newBuilder("uri1", "schemaType1")
+                .setProperty("booleanKey1", true, true, false) // Different
+                .build();
+        assertThat(document1).isNotEqualTo(document2);
+        assertThat(document1.hashCode()).isNotEqualTo(document2.hashCode());
+    }
+
+    @Test
+    public void testDocumentGetSingleValue() {
+        Document document = Document.newBuilder("uri1", "schemaType1")
+                .setProperty("longKey1", 1L)
+                .setProperty("doubleKey1", 1.0)
+                .setProperty("booleanKey1", true)
+                .setProperty("stringKey1", "test-value1").build();
+        assertThat(document.getUri()).isEqualTo("uri1");
+        assertThat(document.getSchemaType()).isEqualTo("schemaType1");
+        assertThat(document.getPropertyLong("longKey1")).isEqualTo(1L);
+        assertThat(document.getPropertyDouble("doubleKey1")).isEqualTo(1.0);
+        assertThat(document.getPropertyBoolean("booleanKey1")).isTrue();
+        assertThat(document.getPropertyString("stringKey1")).isEqualTo("test-value1");
+    }
+
+    @Test
+    public void testDocumentGetArrayValues() {
+        Document document = Document.newBuilder("uri1", "schemaType1")
+                .setScore(1)
+                .setProperty("longKey1", 1L, 2L, 3L)
+                .setProperty("doubleKey1", 1.0, 2.0, 3.0)
+                .setProperty("booleanKey1", true, false, true)
+                .setProperty("stringKey1", "test-value1", "test-value2", "test-value3")
+                .build();
+
+        assertThat(document.getUri()).isEqualTo("uri1");
+        assertThat(document.getSchemaType()).isEqualTo("schemaType1");
+        assertThat(document.getScore()).isEqualTo(1);
+        assertThat(document.getPropertyLongArray("longKey1")).asList().containsExactly(1L, 2L, 3L);
+        assertThat(document.getPropertyDoubleArray("doubleKey1")).usingExactEquality()
+                .containsExactly(1.0, 2.0, 3.0);
+        assertThat(document.getPropertyBooleanArray("booleanKey1")).asList()
+                .containsExactly(true, false, true);
+        assertThat(document.getPropertyStringArray("stringKey1")).asList()
+                .containsExactly("test-value1", "test-value2", "test-value3");
+    }
+
+    @Test
+    public void testDocumentGetValues_DifferentTypes() {
+        Document document = Document.newBuilder("uri1", "schemaType1")
+                .setScore(1)
+                .setProperty("longKey1", 1L)
+                .setProperty("booleanKey1", true, false, true)
+                .setProperty("stringKey1", "test-value1", "test-value2", "test-value3")
+                .build();
+
+        // Get a value for a key that doesn't exist
+        assertThat(document.getPropertyDouble("doubleKey1")).isNull();
+        assertThat(document.getPropertyDoubleArray("doubleKey1")).isNull();
+
+        // Get a value with a single element as an array and as a single value
+        assertThat(document.getPropertyLong("longKey1")).isEqualTo(1L);
+        assertThat(document.getPropertyLongArray("longKey1")).asList().containsExactly(1L);
+
+        // Get a value with multiple elements as an array and as a single value
+        assertThat(document.getPropertyString("stringKey1")).isEqualTo("test-value1");
+        assertThat(document.getPropertyStringArray("stringKey1")).asList()
+                .containsExactly("test-value1", "test-value2", "test-value3");
+
+        // Get a value of the wrong type
+        assertThat(document.getPropertyDouble("longKey1")).isNull();
+        assertThat(document.getPropertyDoubleArray("longKey1")).isNull();
+    }
+
+    @Test
+    public void testDocumentInvalid() {
+        Document.Builder builder = Document.newBuilder("uri1", "schemaType1");
+        assertThrows(
+                IllegalArgumentException.class, () -> builder.setProperty("test", new boolean[]{}));
+    }
+
+    @Test
+    public void testDocumentProtoPopulation() {
+        Document document = Document.newBuilder("uri1", "schemaType1")
+                .setScore(1)
+                .setCreationTimestampSecs(0)
+                .setProperty("longKey1", 1L)
+                .setProperty("doubleKey1", 1.0)
+                .setProperty("booleanKey1", true)
+                .setProperty("stringKey1", "test-value1")
+                .build();
+
+        // Create the Document proto. Need to sort the property order by key.
+        DocumentProto.Builder documentProtoBuilder = DocumentProto.newBuilder()
+                .setUri("uri1").setSchema("schemaType1").setScore(1).setCreationTimestampSecs(0);
+        HashMap<String, PropertyProto.Builder> propertyProtoMap = new HashMap<>();
+        propertyProtoMap.put("longKey1",
+                PropertyProto.newBuilder().setName("longKey1").addInt64Values(1L));
+        propertyProtoMap.put("doubleKey1",
+                PropertyProto.newBuilder().setName("doubleKey1").addDoubleValues(1.0));
+        propertyProtoMap.put("booleanKey1",
+                PropertyProto.newBuilder().setName("booleanKey1").addBooleanValues(true));
+        propertyProtoMap.put("stringKey1",
+                PropertyProto.newBuilder().setName("stringKey1").addStringValues("test-value1"));
+        List<String> sortedKey = new ArrayList<>(propertyProtoMap.keySet());
+        Collections.sort(sortedKey);
+        for (String key : sortedKey) {
+            documentProtoBuilder.addProperties(propertyProtoMap.get(key));
+        }
+        assertThat(document.getProto()).isEqualTo(documentProtoBuilder.build());
+    }
+}
diff --git a/core/tests/coretests/src/android/app/appsearch/AppSearchEmailTest.java b/core/tests/coretests/src/android/app/appsearch/AppSearchEmailTest.java
new file mode 100644
index 0000000..c50b1da
--- /dev/null
+++ b/core/tests/coretests/src/android/app/appsearch/AppSearchEmailTest.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.appsearch;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.app.appsearch.AppSearch.Email;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+@SmallTest
+public class AppSearchEmailTest {
+
+    @Test
+    public void testBuildEmailAndGetValue() {
+        Email email = Email.newBuilder("uri")
+                .setFrom("FakeFromAddress")
+                .setCc("CC1", "CC2")
+                // Score and Property are mixed into the middle to make sure DocumentBuilder's
+                // methods can be interleaved with EmailBuilder's methods.
+                .setScore(1)
+                .setProperty("propertyKey", "propertyValue1", "propertyValue2")
+                .setSubject("subject")
+                .setBody("EmailBody")
+                .build();
+
+        assertThat(email.getUri()).isEqualTo("uri");
+        assertThat(email.getFrom()).isEqualTo("FakeFromAddress");
+        assertThat(email.getTo()).isNull();
+        assertThat(email.getCc()).asList().containsExactly("CC1", "CC2");
+        assertThat(email.getBcc()).isNull();
+        assertThat(email.getScore()).isEqualTo(1);
+        assertThat(email.getPropertyString("propertyKey")).isEqualTo("propertyValue1");
+        assertThat(email.getPropertyStringArray("propertyKey")).asList().containsExactly(
+                "propertyValue1", "propertyValue2");
+        assertThat(email.getSubject()).isEqualTo("subject");
+        assertThat(email.getBody()).isEqualTo("EmailBody");
+    }
+}
diff --git a/core/tests/coretests/src/android/app/appsearch/impl/CustomerDocumentTest.java b/core/tests/coretests/src/android/app/appsearch/impl/CustomerDocumentTest.java
new file mode 100644
index 0000000..4ee4aa6
--- /dev/null
+++ b/core/tests/coretests/src/android/app/appsearch/impl/CustomerDocumentTest.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.appsearch.impl;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.annotation.NonNull;
+import android.app.appsearch.AppSearch.Document;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+/** Tests that {@link Document} and {@link Document.Builder} are extendable by developers.
+ *
+ * <p>This class is intentionally in a different package than {@link Document} to make sure there
+ * are no package-private methods required for external developers to add custom types.
+ */
+@SmallTest
+public class CustomerDocumentTest {
+    @Test
+    public void testBuildCustomerDocument() {
+        CustomerDocument customerDocument = CustomerDocument.newBuilder("uri1")
+                .setScore(1)
+                .setCreationTimestampSecs(0)
+                .setProperty("longKey1", 1L, 2L, 3L)
+                .setProperty("doubleKey1", 1.0, 2.0, 3.0)
+                .setProperty("booleanKey1", true, false, true)
+                .setProperty("stringKey1", "test-value1", "test-value2", "test-value3")
+                .build();
+
+        assertThat(customerDocument.getUri()).isEqualTo("uri1");
+        assertThat(customerDocument.getSchemaType()).isEqualTo("customerDocument");
+        assertThat(customerDocument.getScore()).isEqualTo(1);
+        assertThat(customerDocument.getCreationTimestampSecs()).isEqualTo(0L);
+        assertThat(customerDocument.getPropertyLongArray("longKey1")).asList()
+                .containsExactly(1L, 2L, 3L);
+        assertThat(customerDocument.getPropertyDoubleArray("doubleKey1")).usingExactEquality()
+                .containsExactly(1.0, 2.0, 3.0);
+        assertThat(customerDocument.getPropertyBooleanArray("booleanKey1")).asList()
+                .containsExactly(true, false, true);
+        assertThat(customerDocument.getPropertyStringArray("stringKey1")).asList()
+                .containsExactly("test-value1", "test-value2", "test-value3");
+    }
+
+    /**
+     * An example document type for test purposes, defined outside of
+     * {@link android.app.appsearch.AppSearch} (the way an external developer would define it).
+     */
+    private static class CustomerDocument extends Document {
+        private CustomerDocument(Document document) {
+            super(document);
+        }
+
+        public static CustomerDocument.Builder newBuilder(String uri) {
+            return new CustomerDocument.Builder(uri);
+        }
+
+        public static class Builder extends Document.Builder<CustomerDocument.Builder> {
+            private Builder(@NonNull String uri) {
+                super(uri, "customerDocument");
+            }
+
+            @Override
+            public CustomerDocument build() {
+                return new CustomerDocument(super.build());
+            }
+        }
+    }
+}
diff --git a/graphics/java/android/graphics/FontFamily.java b/graphics/java/android/graphics/FontFamily.java
index ae90995..447f043 100644
--- a/graphics/java/android/graphics/FontFamily.java
+++ b/graphics/java/android/graphics/FontFamily.java
@@ -20,6 +20,7 @@
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.res.AssetManager;
 import android.graphics.fonts.FontVariationAxis;
+import android.os.Build;
 import android.text.TextUtils;
 
 import dalvik.annotation.optimization.CriticalNative;
@@ -58,7 +59,8 @@
      *
      * This cannot be deleted because it's in use by AndroidX.
      */
-    @UnsupportedAppUsage(trackingBug = 123768928)
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q,
+            publicAlternatives = "Use {@link android.graphics.fonts.FontFamily} instead.")
     public long mNativePtr;
 
     // Points native font family builder. Must be zero after freezing this family.
@@ -67,7 +69,8 @@
     /**
      * This cannot be deleted because it's in use by AndroidX.
      */
-    @UnsupportedAppUsage(trackingBug = 123768928)
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q,
+            publicAlternatives = "Use {@link android.graphics.fonts.FontFamily} instead.")
     public FontFamily() {
         mBuilderPtr = nInitBuilder(null, 0);
         mNativeBuilderCleaner = sBuilderRegistry.registerNativeAllocation(this, mBuilderPtr);
@@ -76,7 +79,8 @@
     /**
      * This cannot be deleted because it's in use by AndroidX.
      */
-    @UnsupportedAppUsage(trackingBug = 123768928)
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q,
+            publicAlternatives = "Use {@link android.graphics.fonts.FontFamily} instead.")
     public FontFamily(@Nullable String[] langs, int variant) {
         final String langsString;
         if (langs == null || langs.length == 0) {
@@ -98,7 +102,8 @@
      *
      * This cannot be deleted because it's in use by AndroidX.
      */
-    @UnsupportedAppUsage(trackingBug = 123768928)
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q,
+            publicAlternatives = "Use {@link android.graphics.fonts.FontFamily} instead.")
     public boolean freeze() {
         if (mBuilderPtr == 0) {
             throw new IllegalStateException("This FontFamily is already frozen");
@@ -115,7 +120,8 @@
     /**
      * This cannot be deleted because it's in use by AndroidX.
      */
-    @UnsupportedAppUsage(trackingBug = 123768928)
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q,
+            publicAlternatives = "Use {@link android.graphics.fonts.FontFamily} instead.")
     public void abortCreation() {
         if (mBuilderPtr == 0) {
             throw new IllegalStateException("This FontFamily is already frozen or abandoned");
@@ -127,7 +133,8 @@
     /**
      * This cannot be deleted because it's in use by AndroidX.
      */
-    @UnsupportedAppUsage(trackingBug = 123768928)
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q,
+            publicAlternatives = "Use {@link android.graphics.fonts.FontFamily} instead.")
     public boolean addFont(String path, int ttcIndex, FontVariationAxis[] axes, int weight,
             int italic) {
         if (mBuilderPtr == 0) {
@@ -151,7 +158,8 @@
     /**
      * This cannot be deleted because it's in use by AndroidX.
      */
-    @UnsupportedAppUsage(trackingBug = 123768928)
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q,
+            publicAlternatives = "Use {@link android.graphics.fonts.FontFamily} instead.")
     public boolean addFontFromBuffer(ByteBuffer font, int ttcIndex, FontVariationAxis[] axes,
             int weight, int italic) {
         if (mBuilderPtr == 0) {
@@ -179,7 +187,8 @@
      *
      * This cannot be deleted because it's in use by AndroidX.
      */
-    @UnsupportedAppUsage(trackingBug = 123768928)
+    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.Q,
+            publicAlternatives = "Use {@link android.graphics.fonts.FontFamily} instead.")
     public boolean addFontFromAssetManager(AssetManager mgr, String path, int cookie,
             boolean isAsset, int ttcIndex, int weight, int isItalic,
             FontVariationAxis[] axes) {
diff --git a/packages/SettingsProvider/src/android/provider/settings/validators/GlobalSettingsValidators.java b/packages/SettingsProvider/src/android/provider/settings/validators/GlobalSettingsValidators.java
index 72923a3..dd94d2e 100644
--- a/packages/SettingsProvider/src/android/provider/settings/validators/GlobalSettingsValidators.java
+++ b/packages/SettingsProvider/src/android/provider/settings/validators/GlobalSettingsValidators.java
@@ -141,9 +141,6 @@
         VALIDATORS.put(Global.DEVICE_PROVISIONING_MOBILE_DATA_ENABLED, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Global.REQUIRE_PASSWORD_TO_DECRYPT, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Global.DEVICE_DEMO_MODE, BOOLEAN_VALIDATOR);
-        VALIDATORS.put(Global.WIFI_PNO_FREQUENCY_CULLING_ENABLED, BOOLEAN_VALIDATOR);
-        VALIDATORS.put(Global.WIFI_PNO_RECENCY_SORTING_ENABLED, BOOLEAN_VALIDATOR);
-        VALIDATORS.put(Global.WIFI_LINK_PROBING_ENABLED, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Global.AWARE_ALLOWED, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Global.POWER_BUTTON_LONG_PRESS, new InclusiveIntegerRangeValidator(0, 5));
         VALIDATORS.put(
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java b/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
index 375a650..266bfe0 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
@@ -2554,7 +2554,7 @@
             for (int phoneId = 0; phoneId < phoneCount; phoneId++) {
                 int mode = defaultNetworks.size() <= phoneId
                         || defaultNetworks.get(phoneId) == null
-                        ? RILConstants.PREFERRED_NETWORK_MODE : defaultNetworks.get(phoneId);
+                        ? TelephonyManager.DEFAULT_PREFERRED_NETWORK_MODE : defaultNetworks.get(phoneId);
                 if (phoneId > 0) val.append(',');
                 val.append(mode);
             }
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProtoDumpUtil.java b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProtoDumpUtil.java
index aa36dca..449a135 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProtoDumpUtil.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProtoDumpUtil.java
@@ -1070,9 +1070,6 @@
                 Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE,
                 GlobalSettingsProto.Network.RECOMMENDATIONS_PACKAGE);
         dumpSetting(s, p,
-                Settings.Global.NETWORK_RECOMMENDATION_REQUEST_TIMEOUT_MS,
-                GlobalSettingsProto.Network.RECOMMENDATION_REQUEST_TIMEOUT_MS);
-        dumpSetting(s, p,
                 Settings.Global.NETWORK_WATCHLIST_ENABLED,
                 GlobalSettingsProto.Network.WATCHLIST_ENABLED);
         dumpSetting(s, p,
@@ -1587,9 +1584,6 @@
                 Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
                 GlobalSettingsProto.Wifi.WATCHDOG_POOR_NETWORK_TEST_ENABLED);
         dumpSetting(s, p,
-                Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED,
-                GlobalSettingsProto.Wifi.SUSPEND_OPTIMIZATIONS_ENABLED);
-        dumpSetting(s, p,
                 Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED,
                 GlobalSettingsProto.Wifi.VERBOSE_LOGGING_ENABLED);
         dumpSetting(s, p,
diff --git a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
index 1a1a480..6ea2c74 100644
--- a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
+++ b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
@@ -369,7 +369,6 @@
                     Settings.Global.NETWORK_WATCHLIST_LAST_REPORT_TIME,
                     Settings.Global.NETWORK_PREFERENCE,
                     Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE,
-                    Settings.Global.NETWORK_RECOMMENDATION_REQUEST_TIMEOUT_MS,
                     Settings.Global.NETWORK_SCORER_APP,
                     Settings.Global.NETWORK_SCORING_PROVISIONED,
                     Settings.Global.NETWORK_SCORING_UI_ENABLED,
@@ -523,8 +522,6 @@
                     Settings.Global.WIFI_BADGING_THRESHOLDS,
                     Settings.Global.WIFI_BOUNCE_DELAY_OVERRIDE_MS,
                     Settings.Global.WIFI_COUNTRY_CODE,
-                    Settings.Global.WIFI_DATA_STALL_MIN_TX_BAD,
-                    Settings.Global.WIFI_DATA_STALL_MIN_TX_SUCCESS_WITHOUT_RX,
                     Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN,
                     Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON,
                     Settings.Global.WIFI_DISPLAY_ON,
@@ -534,11 +531,6 @@
                     Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS,
                     Settings.Global.WIFI_FREQUENCY_BAND,
                     Settings.Global.WIFI_IDLE_MS,
-                    Settings.Global.WIFI_IS_UNUSABLE_EVENT_METRICS_ENABLED,
-                    Settings.Global.WIFI_LINK_SPEED_METRICS_ENABLED,
-                    Settings.Global.WIFI_PNO_FREQUENCY_CULLING_ENABLED,
-                    Settings.Global.WIFI_PNO_RECENCY_SORTING_ENABLED,
-                    Settings.Global.WIFI_LINK_PROBING_ENABLED,
                     Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT,
                     Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS,
                     Settings.Global.WIFI_NETWORK_SHOW_RSSI,
@@ -547,7 +539,6 @@
                     Settings.Global.WIFI_ON,
                     Settings.Global.WIFI_P2P_DEVICE_NAME,
                     Settings.Global.WIFI_P2P_PENDING_FACTORY_RESET,
-                    Settings.Global.WIFI_RTT_BACKGROUND_EXEC_GAP_MS,
                     Settings.Global.WIFI_SAVED_STATE,
                     Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE,
                     Settings.Global.WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS,
@@ -555,7 +546,6 @@
                     Settings.Global.WIFI_SCORE_PARAMS,
                     Settings.Global.WIFI_SLEEP_POLICY,
                     Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS,
-                    Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED,
                     Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED,
                     Settings.Global.WIFI_WATCHDOG_ON,
                     Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON,
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ListDumper.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ListDumper.java
index 9f21950..eaa9d78 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ListDumper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ListDumper.java
@@ -99,6 +99,13 @@
                     .append(")");
         }
 
+        if (entry.mNotifSection != null) {
+            sb.append(" sectionIndex=")
+                    .append(entry.getSection())
+                    .append(" sectionName=")
+                    .append(entry.mNotifSection.getName());
+        }
+
         if (includeRecordKeeping) {
             NotificationEntry notifEntry = entry.getRepresentativeEntry();
             StringBuilder rksb = new StringBuilder();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ListEntry.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ListEntry.java
index dc68c4b..56ad0e1 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ListEntry.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ListEntry.java
@@ -18,6 +18,8 @@
 
 import android.annotation.Nullable;
 
+import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifSection;
+
 /**
  * Abstract superclass for top-level entries, i.e. things that can appear in the final notification
  * list shown to users. In practice, this means either GroupEntries or NotificationEntries.
@@ -27,7 +29,9 @@
 
     @Nullable private GroupEntry mParent;
     @Nullable private GroupEntry mPreviousParent;
-    private int mSection;
+    @Nullable NotifSection mNotifSection;
+
+    private int mSection = -1;
     int mFirstAddedIteration = -1;
 
     ListEntry(String key) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifPipeline.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifPipeline.java
index 7124517..0377f57 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifPipeline.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifPipeline.java
@@ -22,7 +22,7 @@
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifComparator;
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifFilter;
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifPromoter;
-import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.SectionsProvider;
+import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifSection;
 import com.android.systemui.statusbar.notification.collection.notifcollection.NotifCollectionListener;
 import com.android.systemui.statusbar.notification.collection.notifcollection.NotifLifetimeExtender;
 
@@ -48,7 +48,7 @@
  *   GroupEntry. These groups are then transformed in order to remove children or completely split
  *   them apart. To participate, see {@link #addPromoter}.
  * - Sorted: All top-level notifications are sorted. To participate, see
- *   {@link #setSectionsProvider} and {@link #setComparators}
+ *   {@link #setSections} and {@link #setComparators}
  *
  * The exact order of all hooks is as follows:
  *  0. Collection listeners are fired ({@link #addCollectionListener}).
@@ -58,7 +58,7 @@
  *  3. OnBeforeTransformGroupListeners are fired ({@link #addOnBeforeTransformGroupsListener})
  *  4. NotifPromoters are called on each notification with a parent ({@link #addPromoter})
  *  5. OnBeforeSortListeners are fired ({@link #addOnBeforeSortListener})
- *  6. SectionsProvider is called on each top-level entry in the list ({@link #setSectionsProvider})
+ *  6. Top-level entries are assigned sections by NotifSections ({@link #setSections})
  *  7. Top-level entries within the same section are sorted by NotifComparators
  *     ({@link #setComparators})
  *  8. Pre-render filters are fired on each notification ({@link #addPreRenderFilter})
@@ -142,14 +142,13 @@
     }
 
     /**
-     * Assigns sections to each top-level entry, where a section is simply an integer. Sections are
-     * the primary metric by which top-level entries are sorted; NotifComparators are only consulted
-     * when two entries are in the same section. The pipeline doesn't assign any particular meaning
-     * to section IDs -- from it's perspective they're just numbers and it sorts them by a simple
-     * numerical comparison.
+     * Sections that are used to sort top-level entries.  If two entries have the same section,
+     * NotifComparators are consulted. Sections from this list are called in order for each
+     * notification passed through the pipeline. The first NotifSection to return true for
+     * {@link NotifSection#isInSection(ListEntry)} sets the entry as part of its Section.
      */
-    public void setSectionsProvider(SectionsProvider provider) {
-        mShadeListBuilder.setSectionsProvider(provider);
+    public void setSections(List<NotifSection> sections) {
+        mShadeListBuilder.setSections(sections);
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilder.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilder.java
index c19ce27..97f8ec5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilder.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilder.java
@@ -30,6 +30,7 @@
 import android.annotation.MainThread;
 import android.annotation.Nullable;
 import android.util.ArrayMap;
+import android.util.Pair;
 
 import com.android.systemui.DumpController;
 import com.android.systemui.Dumpable;
@@ -40,7 +41,7 @@
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifComparator;
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifFilter;
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifPromoter;
-import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.SectionsProvider;
+import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifSection;
 import com.android.systemui.statusbar.notification.collection.notifcollection.CollectionReadyForBuildListener;
 import com.android.systemui.statusbar.notification.logging.NotifEvent;
 import com.android.systemui.statusbar.notification.logging.NotifLog;
@@ -82,7 +83,7 @@
     private final List<NotifPromoter> mNotifPromoters = new ArrayList<>();
     private final List<NotifFilter> mNotifPreRenderFilters = new ArrayList<>();
     private final List<NotifComparator> mNotifComparators = new ArrayList<>();
-    private SectionsProvider mSectionsProvider = new DefaultSectionsProvider();
+    private final List<NotifSection> mNotifSections = new ArrayList<>();
 
     private final List<OnBeforeTransformGroupsListener> mOnBeforeTransformGroupsListeners =
             new ArrayList<>();
@@ -170,12 +171,15 @@
         promoter.setInvalidationListener(this::onPromoterInvalidated);
     }
 
-    void setSectionsProvider(SectionsProvider provider) {
+    void setSections(List<NotifSection> sections) {
         Assert.isMainThread();
         mPipelineState.requireState(STATE_IDLE);
 
-        mSectionsProvider = provider;
-        provider.setInvalidationListener(this::onSectionsProviderInvalidated);
+        mNotifSections.clear();
+        for (NotifSection section : sections) {
+            mNotifSections.add(section);
+            section.setInvalidationListener(this::onNotifSectionInvalidated);
+        }
     }
 
     void setComparators(List<NotifComparator> comparators) {
@@ -230,12 +234,12 @@
         rebuildListIfBefore(STATE_TRANSFORMING);
     }
 
-    private void onSectionsProviderInvalidated(SectionsProvider provider) {
+    private void onNotifSectionInvalidated(NotifSection section) {
         Assert.isMainThread();
 
-        mNotifLog.log(NotifEvent.SECTIONS_PROVIDER_INVALIDATED, String.format(
-                "Sections provider \"%s\" invalidated; pipeline state is %d",
-                provider.getName(),
+        mNotifLog.log(NotifEvent.SECTION_INVALIDATED, String.format(
+                "Section \"%s\" invalidated; pipeline state is %d",
+                section.getName(),
                 mPipelineState.getState()));
 
         rebuildListIfBefore(STATE_SORTING);
@@ -318,7 +322,7 @@
         sortList();
 
         // Step 6: Filter out entries after pre-group filtering, grouping, promoting and sorting
-        // Now filters can see grouping information to determine whether to filter or not
+        // Now filters can see grouping information to determine whether to filter or not.
         mPipelineState.incrementTo(STATE_PRE_RENDER_FILTERING);
         filterNotifs(mNotifList, mNewNotifList, mNotifPreRenderFilters);
         applyNewNotifList();
@@ -580,6 +584,8 @@
      * filtered out during any of the filtering steps.
      */
     private void annulAddition(ListEntry entry) {
+        entry.setSection(-1);
+        entry.mNotifSection = null;
         entry.setParent(null);
         if (entry.mFirstAddedIteration == mIterationCount) {
             entry.mFirstAddedIteration = -1;
@@ -589,11 +595,12 @@
     private void sortList() {
         // Assign sections to top-level elements and sort their children
         for (ListEntry entry : mNotifList) {
-            entry.setSection(mSectionsProvider.getSection(entry));
+            Pair<NotifSection, Integer> sectionWithIndex = applySections(entry);
             if (entry instanceof GroupEntry) {
                 GroupEntry parent = (GroupEntry) entry;
                 for (NotificationEntry child : parent.getChildren()) {
-                    child.setSection(0);
+                    child.mNotifSection = sectionWithIndex.first;
+                    child.setSection(sectionWithIndex.second);
                 }
                 parent.sortChildren(sChildComparator);
             }
@@ -754,6 +761,45 @@
         return null;
     }
 
+    private Pair<NotifSection, Integer> applySections(ListEntry entry) {
+        final Pair<NotifSection, Integer> sectionWithIndex = findSection(entry);
+        final NotifSection section = sectionWithIndex.first;
+        final Integer sectionIndex = sectionWithIndex.second;
+
+        if (section != entry.mNotifSection) {
+            if (entry.mNotifSection == null) {
+                mNotifLog.log(NotifEvent.SECTION_CHANGED, String.format(
+                        "%s: sectioned by '%s' [index=%d].",
+                        entry.getKey(),
+                        section.getName(),
+                        sectionIndex));
+            } else {
+                mNotifLog.log(NotifEvent.SECTION_CHANGED, String.format(
+                        "%s: section changed: '%s' [index=%d] -> '%s [index=%d]'.",
+                        entry.getKey(),
+                        entry.mNotifSection,
+                        entry.getSection(),
+                        section,
+                        sectionIndex));
+            }
+
+            entry.mNotifSection = section;
+            entry.setSection(sectionIndex);
+        }
+
+        return sectionWithIndex;
+    }
+
+    private Pair<NotifSection, Integer> findSection(ListEntry entry) {
+        for (int i = 0; i < mNotifSections.size(); i++) {
+            NotifSection sectioner = mNotifSections.get(i);
+            if (sectioner.isInSection(entry)) {
+                return new Pair<>(sectioner, i);
+            }
+        }
+        return new Pair<>(sDefaultSection, mNotifSections.size());
+    }
+
     private void rebuildListIfBefore(@PipelineState.StateName int state) {
         mPipelineState.requireIsBefore(state);
         if (mPipelineState.is(STATE_IDLE)) {
@@ -803,16 +849,13 @@
         void onRenderList(List<ListEntry> entries);
     }
 
-    private static class DefaultSectionsProvider extends SectionsProvider {
-        DefaultSectionsProvider() {
-            super("DefaultSectionsProvider");
-        }
-
-        @Override
-        public int getSection(ListEntry entry) {
-            return 0;
-        }
-    }
+    private static final NotifSection sDefaultSection =
+            new NotifSection("DefaultSection") {
+                @Override
+                public boolean isInSection(ListEntry entry) {
+                    return true;
+                }
+            };
 
     private static final String TAG = "NotifListBuilderImpl";
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/Coordinator.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/Coordinator.java
index c1a11b2..d8b2e40 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/Coordinator.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/Coordinator.java
@@ -17,6 +17,7 @@
 package com.android.systemui.statusbar.notification.collection.coordinator;
 
 import com.android.systemui.statusbar.notification.collection.NotifPipeline;
+import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifSection;
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.Pluggable;
 
 /**
@@ -28,4 +29,8 @@
      * Coordinators should register their listeners and {@link Pluggable}s to the pipeline.
      */
     void attach(NotifPipeline pipeline);
+
+    default NotifSection getSection() {
+        return null;
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/NotifCoordinators.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/NotifCoordinators.java
index 562a618..8d0dd5b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/NotifCoordinators.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/NotifCoordinators.java
@@ -16,9 +16,11 @@
 
 package com.android.systemui.statusbar.notification.collection.coordinator;
 
+import com.android.systemui.DumpController;
 import com.android.systemui.Dumpable;
 import com.android.systemui.statusbar.FeatureFlags;
 import com.android.systemui.statusbar.notification.collection.NotifPipeline;
+import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifSection;
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.Pluggable;
 import com.android.systemui.statusbar.notification.collection.notifcollection.NotifCollectionListener;
 import com.android.systemui.statusbar.notification.collection.notifcollection.NotifLifetimeExtender;
@@ -39,18 +41,21 @@
 public class NotifCoordinators implements Dumpable {
     private static final String TAG = "NotifCoordinators";
     private final List<Coordinator> mCoordinators = new ArrayList<>();
-
+    private final List<NotifSection> mOrderedSections = new ArrayList<>();
     /**
      * Creates all the coordinators.
      */
     @Inject
     public NotifCoordinators(
+            DumpController dumpController,
             FeatureFlags featureFlags,
             KeyguardCoordinator keyguardCoordinator,
             RankingCoordinator rankingCoordinator,
             ForegroundCoordinator foregroundCoordinator,
             DeviceProvisionedCoordinator deviceProvisionedCoordinator,
             PreparationCoordinator preparationCoordinator) {
+        dumpController.registerDumpable(TAG, this);
+
         mCoordinators.add(keyguardCoordinator);
         mCoordinators.add(rankingCoordinator);
         mCoordinators.add(foregroundCoordinator);
@@ -59,6 +64,13 @@
             mCoordinators.add(preparationCoordinator);
         }
         // TODO: add new Coordinators here! (b/145134683, b/112656837)
+
+        // TODO: add the sections in a particular ORDER (HeadsUp < People < Alerting)
+        for (Coordinator c : mCoordinators) {
+            if (c.getSection() != null) {
+                mOrderedSections.add(c.getSection());
+            }
+        }
     }
 
     /**
@@ -69,6 +81,8 @@
         for (Coordinator c : mCoordinators) {
             c.attach(pipeline);
         }
+
+        pipeline.setSections(mOrderedSections);
     }
 
     @Override
@@ -78,5 +92,9 @@
         for (Coordinator c : mCoordinators) {
             pw.println("\t" + c.getClass());
         }
+
+        for (NotifSection s : mOrderedSections) {
+            pw.println("\t" + s.getName());
+        }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/listbuilder/pluggable/NotifSection.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/listbuilder/pluggable/NotifSection.java
new file mode 100644
index 0000000..fe5ba3c
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/listbuilder/pluggable/NotifSection.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.notification.collection.listbuilder.pluggable;
+
+import com.android.systemui.statusbar.notification.collection.ListEntry;
+import com.android.systemui.statusbar.notification.collection.ShadeListBuilder;
+
+/**
+ * Pluggable for participating in notif sectioning. See {@link ShadeListBuilder#setSections}.
+ */
+public abstract class NotifSection extends Pluggable<NotifSection> {
+    protected NotifSection(String name) {
+        super(name);
+    }
+
+    /**
+     * If returns true, this notification is considered within this section.
+     * Sectioning is performed on each top level notification each time the pipeline is run.
+     * However, this doesn't necessarily mean that your section will get called on each top-level
+     * notification. The first section to return true determines the section of the notification.
+     */
+    public abstract boolean isInSection(ListEntry entry);
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/listbuilder/pluggable/SectionsProvider.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/listbuilder/pluggable/SectionsProvider.java
deleted file mode 100644
index 11ea850..0000000
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/listbuilder/pluggable/SectionsProvider.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.statusbar.notification.collection.listbuilder.pluggable;
-
-import com.android.systemui.statusbar.notification.collection.ListEntry;
-
-/**
- * Interface for sorting notifications into "sections", such as a heads-upping section, people
- * section, alerting section, silent section, etc.
- */
-public abstract class SectionsProvider extends Pluggable<SectionsProvider> {
-
-    protected SectionsProvider(String name) {
-        super(name);
-    }
-
-    /**
-     * Returns the section that this entry belongs to. A section can be any non-negative integer.
-     * When entries are sorted, they are first sorted by section and then by any remainining
-     * comparators.
-     */
-    public abstract int getSection(ListEntry entry);
-}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/logging/NotifEvent.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/logging/NotifEvent.java
index 02acc81..2374cde 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/logging/NotifEvent.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/logging/NotifEvent.java
@@ -94,7 +94,7 @@
             LIST_BUILD_COMPLETE,
             PRE_GROUP_FILTER_INVALIDATED,
             PROMOTER_INVALIDATED,
-            SECTIONS_PROVIDER_INVALIDATED,
+            SECTION_INVALIDATED,
             COMPARATOR_INVALIDATED,
             PARENT_CHANGED,
             FILTER_CHANGED,
@@ -132,12 +132,13 @@
                     "ListBuildComplete",
                     "FilterInvalidated",
                     "PromoterInvalidated",
-                    "SectionsProviderInvalidated",
+                    "SectionInvalidated",
                     "ComparatorInvalidated",
                     "ParentChanged",
                     "FilterChanged",
                     "PromoterChanged",
                     "FinalFilterInvalidated",
+                    "SectionerChanged",
 
                     // NEM event labels:
                     "NotifAdded",
@@ -170,13 +171,14 @@
     public static final int LIST_BUILD_COMPLETE = 4;
     public static final int PRE_GROUP_FILTER_INVALIDATED = 5;
     public static final int PROMOTER_INVALIDATED = 6;
-    public static final int SECTIONS_PROVIDER_INVALIDATED = 7;
+    public static final int SECTION_INVALIDATED = 7;
     public static final int COMPARATOR_INVALIDATED = 8;
     public static final int PARENT_CHANGED = 9;
     public static final int FILTER_CHANGED = 10;
     public static final int PROMOTER_CHANGED = 11;
     public static final int PRE_RENDER_FILTER_INVALIDATED = 12;
-    private static final int TOTAL_LIST_BUILDER_EVENT_TYPES = 13;
+    public static final int SECTION_CHANGED = 13;
+    private static final int TOTAL_LIST_BUILDER_EVENT_TYPES = 14;
 
     /**
      * Events related to {@link NotificationEntryManager}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/EdgeBackGestureHandler.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/EdgeBackGestureHandler.java
index f25f910..9840a7b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/EdgeBackGestureHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/EdgeBackGestureHandler.java
@@ -97,6 +97,8 @@
 
     // The edge width where touch down is allowed
     private int mEdgeWidth;
+    // The bottom gesture area height
+    private int mBottomGestureHeight;
     // The slop to distinguish between horizontal and vertical motion
     private final float mTouchSlop;
     // Duration after which we consider the event as longpress.
@@ -174,6 +176,8 @@
     public void updateCurrentUserResources(Resources res) {
         mEdgeWidth = res.getDimensionPixelSize(
                 com.android.internal.R.dimen.config_backGestureInset);
+        mBottomGestureHeight = res.getDimensionPixelSize(
+                com.android.internal.R.dimen.navigation_bar_gesture_height);
     }
 
     /**
@@ -316,6 +320,11 @@
             return false;
         }
 
+        // Disallow if we are in the bottom gesture area
+        if (y >= (mDisplaySize.y - mBottomGestureHeight)) {
+            return false;
+        }
+
         // Always allow if the user is in a transient sticky immersive state
         if (mIsNavBarShownTransiently) {
             return true;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
index 4f56f56..3e3ef0c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
@@ -27,6 +27,7 @@
 import static android.view.WindowInsetsController.APPEARANCE_OPAQUE_NAVIGATION_BARS;
 import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_3BUTTON;
 
+import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.NAV_BAR_HANDLE_FORCE_OPAQUE;
 import static com.android.systemui.recents.OverviewProxyService.OverviewProxyListener;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_A11Y_BUTTON_CLICKABLE;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE;
@@ -64,6 +65,7 @@
 import android.os.Looper;
 import android.os.RemoteException;
 import android.os.UserHandle;
+import android.provider.DeviceConfig;
 import android.provider.Settings;
 import android.telecom.TelecomManager;
 import android.text.TextUtils;
@@ -175,6 +177,8 @@
     private Locale mLocale;
     private int mLayoutDirection;
 
+    private boolean mForceNavBarHandleOpaque;
+
     /** @see android.view.WindowInsetsController#setSystemBarsAppearance(int) */
     private @Appearance int mAppearance;
 
@@ -227,14 +231,17 @@
         @Override
         public void onNavBarButtonAlphaChanged(float alpha, boolean animate) {
             ButtonDispatcher buttonDispatcher = null;
+            boolean forceVisible = false;
             if (QuickStepContract.isSwipeUpMode(mNavBarMode)) {
                 buttonDispatcher = mNavigationBarView.getBackButton();
             } else if (QuickStepContract.isGesturalMode(mNavBarMode)) {
+                forceVisible = mForceNavBarHandleOpaque;
                 buttonDispatcher = mNavigationBarView.getHomeHandle();
             }
             if (buttonDispatcher != null) {
-                buttonDispatcher.setVisibility(alpha > 0 ? View.VISIBLE : View.INVISIBLE);
-                buttonDispatcher.setAlpha(alpha, animate);
+                buttonDispatcher.setVisibility(
+                        (forceVisible || alpha > 0) ? View.VISIBLE : View.INVISIBLE);
+                buttonDispatcher.setAlpha(forceVisible ? 1f : alpha, animate);
             }
         }
     };
@@ -291,6 +298,21 @@
         mDivider = divider;
         mRecentsOptional = recentsOptional;
         mHandler = mainHandler;
+
+        mForceNavBarHandleOpaque = DeviceConfig.getBoolean(
+                DeviceConfig.NAMESPACE_SYSTEMUI,
+                NAV_BAR_HANDLE_FORCE_OPAQUE,
+                /* defaultValue = */ false);
+        DeviceConfig.addOnPropertiesChangedListener(DeviceConfig.NAMESPACE_SYSTEMUI, mHandler::post,
+                new DeviceConfig.OnPropertiesChangedListener() {
+                    @Override
+                    public void onPropertiesChanged(DeviceConfig.Properties properties) {
+                        if (properties.getKeyset().contains(NAV_BAR_HANDLE_FORCE_OPAQUE)) {
+                            mForceNavBarHandleOpaque = properties.getBoolean(
+                                    NAV_BAR_HANDLE_FORCE_OPAQUE, /* defaultValue = */ false);
+                        }
+                    }
+                });
     }
 
     // ----- Fragment Lifecycle Callbacks -----
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilderTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilderTest.java
index 0a23571..e915be3 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilderTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilderTest.java
@@ -19,6 +19,7 @@
 import static com.android.systemui.statusbar.notification.collection.ListDumper.dumpTree;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyList;
@@ -47,7 +48,7 @@
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifComparator;
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifFilter;
 import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifPromoter;
-import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.SectionsProvider;
+import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifSection;
 import com.android.systemui.statusbar.notification.collection.notifcollection.CollectionReadyForBuildListener;
 import com.android.systemui.statusbar.notification.logging.NotifLog;
 import com.android.systemui.util.Assert;
@@ -450,6 +451,29 @@
     }
 
     @Test
+    public void testPreRenderNotifsFilteredBreakupGroups() {
+        final String filterTag = "FILTER_ME";
+        // GIVEN a NotifFilter that filters out notifications with a tag
+        NotifFilter filter1 = spy(new NotifFilterWithTag(filterTag));
+        mListBuilder.addPreRenderFilter(filter1);
+
+        // WHEN the pipeline is kicked off on a list of notifs
+        addGroupChildWithTag(0, PACKAGE_2, GROUP_1, filterTag);
+        addGroupChild(1, PACKAGE_2, GROUP_1);
+        addGroupSummary(2, PACKAGE_2, GROUP_1);
+        dispatchBuild();
+
+        // THEN the final list doesn't contain any filtered-out notifs
+        // and groups that are too small are broken up
+        verifyBuiltList(
+                notif(1)
+        );
+
+        // THEN each filtered notif records the filter that did it
+        assertEquals(filter1, mEntrySet.get(0).mExcludingFilter);
+    }
+
+    @Test
     public void testNotifFiltersCanBePreempted() {
         // GIVEN two notif filters
         NotifFilter filter1 = spy(new PackageFilter(PACKAGE_2));
@@ -552,12 +576,17 @@
     }
 
     @Test
-    public void testNotifsAreSectioned() {
-        // GIVEN a filter that removes all PACKAGE_4 notifs and a SectionsProvider that divides
+    public void testNotifSections() {
+        // GIVEN a filter that removes all PACKAGE_4 notifs and sections that divide
         // notifs based on package name
         mListBuilder.addPreGroupFilter(new PackageFilter(PACKAGE_4));
-        final SectionsProvider sectionsProvider = spy(new PackageSectioner());
-        mListBuilder.setSectionsProvider(sectionsProvider);
+        final NotifSection pkg1Section = spy(new PackageSection(PACKAGE_1));
+        final NotifSection pkg2Section = spy(new PackageSection(PACKAGE_2));
+        // NOTE: no package 3 section explicitly added, so notifs with package 3 will get set by
+        // ShadeListBuilder's sDefaultSection which will demote it to the last section
+        final NotifSection pkg4Section = spy(new PackageSection(PACKAGE_4));
+        final NotifSection pkg5Section = spy(new PackageSection(PACKAGE_5));
+        mListBuilder.setSections(Arrays.asList(pkg1Section, pkg2Section, pkg4Section, pkg5Section));
 
         // WHEN we build a list with different packages
         addNotif(0, PACKAGE_4);
@@ -584,19 +613,93 @@
                         child(6)
                 ),
                 notif(8),
-                notif(3),
-                notif(9)
+                notif(9),
+                notif(3)
         );
 
-        // THEN the sections provider is called on all top level elements (but no children and no
-        // entries that were filtered out)
-        verify(sectionsProvider).getSection(mEntrySet.get(1));
-        verify(sectionsProvider).getSection(mEntrySet.get(2));
-        verify(sectionsProvider).getSection(mEntrySet.get(3));
-        verify(sectionsProvider).getSection(mEntrySet.get(7));
-        verify(sectionsProvider).getSection(mEntrySet.get(8));
-        verify(sectionsProvider).getSection(mEntrySet.get(9));
-        verify(sectionsProvider).getSection(mBuiltList.get(3));
+        // THEN the first section (pkg1Section) is called on all top level elements (but
+        // no children and no entries that were filtered out)
+        verify(pkg1Section).isInSection(mEntrySet.get(1));
+        verify(pkg1Section).isInSection(mEntrySet.get(2));
+        verify(pkg1Section).isInSection(mEntrySet.get(3));
+        verify(pkg1Section).isInSection(mEntrySet.get(7));
+        verify(pkg1Section).isInSection(mEntrySet.get(8));
+        verify(pkg1Section).isInSection(mEntrySet.get(9));
+        verify(pkg1Section).isInSection(mBuiltList.get(3));
+
+        verify(pkg1Section, never()).isInSection(mEntrySet.get(0));
+        verify(pkg1Section, never()).isInSection(mEntrySet.get(4));
+        verify(pkg1Section, never()).isInSection(mEntrySet.get(5));
+        verify(pkg1Section, never()).isInSection(mEntrySet.get(6));
+        verify(pkg1Section, never()).isInSection(mEntrySet.get(10));
+
+        // THEN the last section (pkg5Section) is not called on any of the entries that were
+        // filtered or already in a section
+        verify(pkg5Section, never()).isInSection(mEntrySet.get(0));
+        verify(pkg5Section, never()).isInSection(mEntrySet.get(1));
+        verify(pkg5Section, never()).isInSection(mEntrySet.get(2));
+        verify(pkg5Section, never()).isInSection(mEntrySet.get(4));
+        verify(pkg5Section, never()).isInSection(mEntrySet.get(5));
+        verify(pkg5Section, never()).isInSection(mEntrySet.get(6));
+        verify(pkg5Section, never()).isInSection(mEntrySet.get(7));
+        verify(pkg5Section, never()).isInSection(mEntrySet.get(8));
+        verify(pkg5Section, never()).isInSection(mEntrySet.get(10));
+
+        verify(pkg5Section).isInSection(mEntrySet.get(3));
+        verify(pkg5Section).isInSection(mEntrySet.get(9));
+
+        // THEN the correct section is assigned for entries in pkg1Section
+        assertEquals(pkg1Section, mEntrySet.get(2).mNotifSection);
+        assertEquals(0, mEntrySet.get(2).getSection());
+        assertEquals(pkg1Section, mEntrySet.get(7).mNotifSection);
+        assertEquals(0, mEntrySet.get(7).getSection());
+
+        // THEN the correct section is assigned for entries in pkg2Section
+        assertEquals(pkg2Section, mEntrySet.get(1).mNotifSection);
+        assertEquals(1, mEntrySet.get(1).getSection());
+        assertEquals(pkg2Section, mEntrySet.get(8).mNotifSection);
+        assertEquals(1, mEntrySet.get(8).getSection());
+        assertEquals(pkg2Section, mBuiltList.get(3).mNotifSection);
+        assertEquals(1, mBuiltList.get(3).getSection());
+
+        // THEN no section was assigned to entries in pkg4Section (since they were filtered)
+        assertEquals(null, mEntrySet.get(0).mNotifSection);
+        assertEquals(-1, mEntrySet.get(0).getSection());
+        assertEquals(null, mEntrySet.get(10).mNotifSection);
+        assertEquals(-1, mEntrySet.get(10).getSection());
+
+
+        // THEN the correct section is assigned for entries in pkg5Section
+        assertEquals(pkg5Section, mEntrySet.get(9).mNotifSection);
+        assertEquals(3, mEntrySet.get(9).getSection());
+
+        // THEN the children entries are assigned the same section as its parent
+        assertEquals(mBuiltList.get(3).mNotifSection, child(5).entry.mNotifSection);
+        assertEquals(mBuiltList.get(3).getSection(), child(5).entry.getSection());
+        assertEquals(mBuiltList.get(3).mNotifSection, child(6).entry.mNotifSection);
+        assertEquals(mBuiltList.get(3).getSection(), child(6).entry.getSection());
+    }
+
+    @Test
+    public void testNotifUsesDefaultSection() {
+        // GIVEN a Section for Package2
+        final NotifSection pkg2Section = spy(new PackageSection(PACKAGE_2));
+        mListBuilder.setSections(Arrays.asList(pkg2Section));
+
+        // WHEN we build a list with pkg1 and pkg2 packages
+        addNotif(0, PACKAGE_1);
+        addNotif(1, PACKAGE_2);
+        dispatchBuild();
+
+        // THEN the list is sorted according to section
+        verifyBuiltList(
+                notif(1),
+                notif(0)
+        );
+
+        // THEN the entry that didn't have an explicit section gets assigned the DefaultSection
+        assertEquals(1, notif(0).entry.getSection());
+        assertNotNull(notif(0).entry.mNotifSection);
     }
 
     @Test
@@ -631,7 +734,7 @@
         // GIVEN a bunch of registered listeners and pluggables
         NotifFilter preGroupFilter = spy(new PackageFilter(PACKAGE_1));
         NotifPromoter promoter = spy(new IdPromoter(3));
-        PackageSectioner sectioner = spy(new PackageSectioner());
+        NotifSection section = spy(new PackageSection(PACKAGE_1));
         NotifComparator comparator = spy(new HypeComparator(PACKAGE_4));
         NotifFilter preRenderFilter = spy(new PackageFilter(PACKAGE_5));
         mListBuilder.addPreGroupFilter(preGroupFilter);
@@ -639,7 +742,7 @@
         mListBuilder.addPromoter(promoter);
         mListBuilder.addOnBeforeSortListener(mOnBeforeSortListener);
         mListBuilder.setComparators(Collections.singletonList(comparator));
-        mListBuilder.setSectionsProvider(sectioner);
+        mListBuilder.setSections(Arrays.asList(section));
         mListBuilder.addOnBeforeRenderListListener(mOnBeforeRenderListListener);
         mListBuilder.addPreRenderFilter(preRenderFilter);
 
@@ -659,7 +762,7 @@
                 mOnBeforeTransformGroupsListener,
                 promoter,
                 mOnBeforeSortListener,
-                sectioner,
+                section,
                 comparator,
                 preRenderFilter,
                 mOnBeforeRenderListListener,
@@ -672,7 +775,7 @@
         inOrder.verify(promoter, atLeastOnce())
                 .shouldPromoteToTopLevel(any(NotificationEntry.class));
         inOrder.verify(mOnBeforeSortListener).onBeforeSort(anyList());
-        inOrder.verify(sectioner, atLeastOnce()).getSection(any(ListEntry.class));
+        inOrder.verify(section, atLeastOnce()).isInSection(any(ListEntry.class));
         inOrder.verify(comparator, atLeastOnce())
                 .compare(any(ListEntry.class), any(ListEntry.class));
         inOrder.verify(preRenderFilter, atLeastOnce())
@@ -686,12 +789,12 @@
         // GIVEN a variety of pluggables
         NotifFilter packageFilter = new PackageFilter(PACKAGE_1);
         NotifPromoter idPromoter = new IdPromoter(4);
-        SectionsProvider sectionsProvider = new PackageSectioner();
+        NotifSection section = new PackageSection(PACKAGE_1);
         NotifComparator hypeComparator = new HypeComparator(PACKAGE_2);
 
         mListBuilder.addPreGroupFilter(packageFilter);
         mListBuilder.addPromoter(idPromoter);
-        mListBuilder.setSectionsProvider(sectionsProvider);
+        mListBuilder.setSections(Arrays.asList(section));
         mListBuilder.setComparators(Collections.singletonList(hypeComparator));
 
         // GIVEN a set of random notifs
@@ -711,7 +814,7 @@
         verify(mOnRenderListListener).onRenderList(anyList());
 
         clearInvocations(mOnRenderListListener);
-        sectionsProvider.invalidateList();
+        section.invalidateList();
         verify(mOnRenderListListener).onRenderList(anyList());
 
         clearInvocations(mOnRenderListListener);
@@ -984,9 +1087,10 @@
         return builder;
     }
 
-    /** Same behavior as {@link #addNotif(int, String)}. */
-    private NotificationEntryBuilder addGroupChild(int index, String packageId, String groupId) {
+    private NotificationEntryBuilder addGroupChildWithTag(int index, String packageId,
+            String groupId, String tag) {
         final NotificationEntryBuilder builder = new NotificationEntryBuilder()
+                .setTag(tag)
                 .setPkg(packageId)
                 .setId(nextId(packageId))
                 .setRank(nextRank());
@@ -1001,6 +1105,11 @@
         return builder;
     }
 
+    /** Same behavior as {@link #addNotif(int, String)}. */
+    private NotificationEntryBuilder addGroupChild(int index, String packageId, String groupId) {
+        return addGroupChildWithTag(index, packageId, groupId, null);
+    }
+
     private int nextId(String packageName) {
         Integer nextId = mNextIdMap.get(packageName);
         if (nextId == null) {
@@ -1169,6 +1278,21 @@
         }
     }
 
+    /** Filters out notifications with a particular tag */
+    private static class NotifFilterWithTag extends NotifFilter {
+        private final String mTag;
+
+        NotifFilterWithTag(String tag) {
+            super("NotifFilterWithTag_" + tag);
+            mTag = tag;
+        }
+
+        @Override
+        public boolean shouldFilterOut(NotificationEntry entry, long now) {
+            return Objects.equals(entry.getSbn().getTag(), mTag);
+        }
+    }
+
     /** Promotes notifs with particular IDs */
     private static class IdPromoter extends NotifPromoter {
         private final List<Integer> mIds;
@@ -1205,25 +1329,18 @@
         }
     }
 
-    /** Sorts notifs into sections based on their package name */
-    private static class PackageSectioner extends SectionsProvider {
+    /** Represents a section for the passed pkg */
+    private static class PackageSection extends NotifSection {
+        private final String mPackage;
 
-        PackageSectioner() {
-            super("PackageSectioner");
+        PackageSection(String pkg) {
+            super("PackageSection_" + pkg);
+            mPackage = pkg;
         }
 
         @Override
-        public int getSection(ListEntry entry) {
-            switch (entry.getRepresentativeEntry().getSbn().getPackageName()) {
-                case PACKAGE_1:
-                    return 1;
-                case PACKAGE_2:
-                    return 2;
-                case PACKAGE_3:
-                    return 3;
-                default:
-                    return 4;
-            }
+        public boolean isInSection(ListEntry entry) {
+            return entry.getRepresentativeEntry().getSbn().getPackageName().equals(mPackage);
         }
     }
 
diff --git a/services/api/current.txt b/services/api/current.txt
index d802177..18e38b1 100644
--- a/services/api/current.txt
+++ b/services/api/current.txt
@@ -1 +1,31 @@
 // Signature format: 2.0
+package com.android.server {
+
+  public abstract class SystemService {
+    ctor public SystemService(@NonNull android.content.Context);
+    method @NonNull public final android.content.Context getContext();
+    method public boolean isSupportedUser(@NonNull com.android.server.SystemService.TargetUser);
+    method public void onBootPhase(int);
+    method public void onCleanupUser(@NonNull com.android.server.SystemService.TargetUser);
+    method public abstract void onStart();
+    method public void onStartUser(@NonNull com.android.server.SystemService.TargetUser);
+    method public void onStopUser(@NonNull com.android.server.SystemService.TargetUser);
+    method public void onSwitchUser(@Nullable com.android.server.SystemService.TargetUser, @NonNull com.android.server.SystemService.TargetUser);
+    method public void onUnlockUser(@NonNull com.android.server.SystemService.TargetUser);
+    method protected final void publishBinderService(@NonNull String, @NonNull android.os.IBinder);
+    method protected final void publishBinderService(@NonNull String, @NonNull android.os.IBinder, boolean);
+    field public static final int PHASE_ACTIVITY_MANAGER_READY = 550; // 0x226
+    field public static final int PHASE_BOOT_COMPLETED = 1000; // 0x3e8
+    field public static final int PHASE_DEVICE_SPECIFIC_SERVICES_READY = 520; // 0x208
+    field public static final int PHASE_LOCK_SETTINGS_READY = 480; // 0x1e0
+    field public static final int PHASE_SYSTEM_SERVICES_READY = 500; // 0x1f4
+    field public static final int PHASE_THIRD_PARTY_APPS_CAN_START = 600; // 0x258
+    field public static final int PHASE_WAIT_FOR_DEFAULT_DISPLAY = 100; // 0x64
+  }
+
+  public static final class SystemService.TargetUser {
+    method @NonNull public android.os.UserHandle getUserHandle();
+  }
+
+}
+
diff --git a/services/autofill/java/com/android/server/autofill/ui/InlineSuggestionUi.java b/services/autofill/java/com/android/server/autofill/ui/InlineSuggestionUi.java
index 17cb739..1e3ee88 100644
--- a/services/autofill/java/com/android/server/autofill/ui/InlineSuggestionUi.java
+++ b/services/autofill/java/com/android/server/autofill/ui/InlineSuggestionUi.java
@@ -16,24 +16,36 @@
 
 package com.android.server.autofill.ui;
 
+import static android.app.slice.SliceItem.FORMAT_IMAGE;
+import static android.app.slice.SliceItem.FORMAT_TEXT;
+
 import android.annotation.MainThread;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.app.slice.Slice;
+import android.app.slice.SliceItem;
 import android.content.Context;
-import android.graphics.Color;
 import android.graphics.PixelFormat;
+import android.graphics.drawable.Icon;
 import android.os.IBinder;
 import android.service.autofill.Dataset;
 import android.util.Log;
 import android.util.Slog;
+import android.view.LayoutInflater;
 import android.view.SurfaceControl;
 import android.view.SurfaceControlViewHost;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.view.autofill.AutofillId;
 import android.view.autofill.AutofillValue;
+import android.widget.ImageView;
 import android.widget.TextView;
 
+import com.android.internal.R;
+
+import java.util.List;
+
 /**
  * This is a temporary inline suggestion UI inflater which will be replaced by the ExtServices
  * implementation.
@@ -72,18 +84,66 @@
                 mContext.getDisplay(), (IBinder) null);
         final SurfaceControl sc = wvr.getSurfacePackage().getSurfaceControl();
 
-        TextView textView = new TextView(mContext);
-        textView.setText(datasetValue.getTextValue());
-        textView.setBackgroundColor(Color.WHITE);
-        textView.setTextColor(Color.BLACK);
-        if (onClickListener != null) {
-            textView.setOnClickListener(onClickListener);
-        }
+        final ViewGroup suggestionView =
+                (ViewGroup) renderSlice(dataset.getFieldInlinePresentation(index).getSlice());
 
         WindowManager.LayoutParams lp =
                 new WindowManager.LayoutParams(width, height,
                         WindowManager.LayoutParams.TYPE_APPLICATION, 0, PixelFormat.TRANSPARENT);
-        wvr.addView(textView, lp);
+        wvr.addView(suggestionView, lp);
         return sc;
     }
+
+    private View renderSlice(Slice slice) {
+        final LayoutInflater inflater = LayoutInflater.from(mContext);
+        final ViewGroup suggestionView =
+                (ViewGroup) inflater.inflate(R.layout.autofill_inline_suggestion, null);
+
+        final ImageView startIconView =
+                suggestionView.findViewById(R.id.autofill_inline_suggestion_start_icon);
+        final TextView titleView =
+                suggestionView.findViewById(R.id.autofill_inline_suggestion_title);
+        final TextView subtitleView =
+                suggestionView.findViewById(R.id.autofill_inline_suggestion_subtitle);
+        final ImageView endIconView =
+                suggestionView.findViewById(R.id.autofill_inline_suggestion_end_icon);
+
+        boolean hasStartIcon = false;
+        boolean hasEndIcon = false;
+        boolean hasSubtitle = false;
+        final List<SliceItem> sliceItems = slice.getItems();
+        for (int i = 0; i < sliceItems.size(); i++) {
+            final SliceItem sliceItem = sliceItems.get(i);
+            if (sliceItem.getFormat().equals(FORMAT_IMAGE)) {
+                final Icon sliceIcon = sliceItem.getIcon();
+                if (i == 0) { // start icon
+                    startIconView.setImageIcon(sliceIcon);
+                    hasStartIcon = true;
+                } else { // end icon
+                    endIconView.setImageIcon(sliceIcon);
+                    hasEndIcon = true;
+                }
+            } else if (sliceItem.getFormat().equals(FORMAT_TEXT)) {
+                final List<String> sliceHints = sliceItem.getHints();
+                final String sliceText = sliceItem.getText().toString();
+                if (sliceHints.contains("inline_title")) { // title
+                    titleView.setText(sliceText);
+                } else { // subtitle
+                    subtitleView.setText(sliceText);
+                    hasSubtitle = true;
+                }
+            }
+        }
+        if (!hasStartIcon) {
+            startIconView.setVisibility(View.GONE);
+        }
+        if (!hasEndIcon) {
+            endIconView.setVisibility(View.GONE);
+        }
+        if (!hasSubtitle) {
+            subtitleView.setVisibility(View.GONE);
+        }
+
+        return suggestionView;
+    }
 }
diff --git a/services/core/java/android/app/usage/UsageStatsManagerInternal.java b/services/core/java/android/app/usage/UsageStatsManagerInternal.java
index 2f8c506..f3647602 100644
--- a/services/core/java/android/app/usage/UsageStatsManagerInternal.java
+++ b/services/core/java/android/app/usage/UsageStatsManagerInternal.java
@@ -23,8 +23,6 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 
-import com.android.server.usage.AppStandbyInternal.AppIdleStateChangeListener;
-
 import java.util.List;
 import java.util.Set;
 
@@ -198,6 +196,12 @@
             long beginTime, long endTime, boolean obfuscateInstantApps);
 
     /**
+     * Returns the events for the user in the given time period.
+     */
+    public abstract UsageEvents queryEventsForUser(@UserIdInt int userId, long beginTime,
+            long endTime, boolean shouldObfuscateInstantApps);
+
+    /**
      * Used to persist the last time a job was run for this app, in order to make decisions later
      * whether a job should be deferred until later. The time passed in should be in elapsed
      * realtime since boot.
diff --git a/services/core/java/com/android/server/SystemService.java b/services/core/java/com/android/server/SystemService.java
index f46b9ae..b1584fe 100644
--- a/services/core/java/com/android/server/SystemService.java
+++ b/services/core/java/com/android/server/SystemService.java
@@ -21,6 +21,9 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.annotation.SystemApi.Client;
+import android.annotation.SystemApi.Process;
 import android.annotation.UserIdInt;
 import android.app.ActivityThread;
 import android.content.Context;
@@ -62,7 +65,7 @@
  *
  * {@hide}
  */
-//@SystemApi(client = Client.MODULE_LIBRARIES, process = Process.SYSTEM_SERVER)
+@SystemApi(client = Client.MODULE_LIBRARIES, process = Process.SYSTEM_SERVER)
 public abstract class SystemService {
 
     /** @hide */
@@ -129,7 +132,7 @@
      * Class representing user in question in the lifecycle callbacks.
      * @hide
      */
-    //@SystemApi(client = Client.MODULE_LIBRARIES, process = Process.SYSTEM_SERVER)
+    @SystemApi(client = Client.MODULE_LIBRARIES, process = Process.SYSTEM_SERVER)
     public static final class TargetUser {
         @NonNull
         private final UserInfo mUserInfo;
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index 2b7745b..4f03a8e 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -46,6 +46,7 @@
 import android.telephony.Annotation.DataFailureCause;
 import android.telephony.Annotation.RadioPowerState;
 import android.telephony.Annotation.SrvccState;
+import android.telephony.BarringInfo;
 import android.telephony.CallAttributes;
 import android.telephony.CallQuality;
 import android.telephony.CellIdentity;
@@ -254,6 +255,8 @@
 
     private int[] mCallPreciseDisconnectCause;
 
+    private List<BarringInfo> mBarringInfo = null;
+
     private boolean mCarrierNetworkChangeState = false;
 
     private PhoneCapability mPhoneCapability = null;
@@ -436,6 +439,7 @@
             cutListToSize(mCellInfo, mNumPhones);
             cutListToSize(mImsReasonInfo, mNumPhones);
             cutListToSize(mPreciseDataConnectionStates, mNumPhones);
+            cutListToSize(mBarringInfo, mNumPhones);
             return;
         }
 
@@ -467,6 +471,7 @@
             mForegroundCallState[i] = PreciseCallState.PRECISE_CALL_STATE_IDLE;
             mBackgroundCallState[i] = PreciseCallState.PRECISE_CALL_STATE_IDLE;
             mPreciseDataConnectionStates.add(new HashMap<Integer, PreciseDataConnectionState>());
+            mBarringInfo.add(i, new BarringInfo());
         }
     }
 
@@ -524,6 +529,7 @@
         mEmergencyNumberList = new HashMap<>();
         mOutgoingCallEmergencyNumber = new EmergencyNumber[numPhones];
         mOutgoingSmsEmergencyNumber = new EmergencyNumber[numPhones];
+        mBarringInfo = new ArrayList<>();
         for (int i = 0; i < numPhones; i++) {
             mCallState[i] =  TelephonyManager.CALL_STATE_IDLE;
             mDataActivity[i] = TelephonyManager.DATA_ACTIVITY_NONE;
@@ -551,6 +557,7 @@
             mForegroundCallState[i] = PreciseCallState.PRECISE_CALL_STATE_IDLE;
             mBackgroundCallState[i] = PreciseCallState.PRECISE_CALL_STATE_IDLE;
             mPreciseDataConnectionStates.add(new HashMap<Integer, PreciseDataConnectionState>());
+            mBarringInfo.add(i, new BarringInfo());
         }
 
         mAppOps = mContext.getSystemService(AppOpsManager.class);
@@ -993,6 +1000,19 @@
                             remove(r.binder);
                         }
                     }
+                    if ((events & PhoneStateListener.LISTEN_BARRING_INFO) != 0) {
+                        BarringInfo barringInfo = mBarringInfo.get(phoneId);
+                        BarringInfo biNoLocation = barringInfo != null
+                                ? barringInfo.createLocationInfoSanitizedCopy() : null;
+                        if (VDBG) log("listen: call onBarringInfoChanged=" + barringInfo);
+                        try {
+                            r.callback.onBarringInfoChanged(
+                                    checkFineLocationAccess(r, Build.VERSION_CODES.R)
+                                            ? barringInfo : biNoLocation);
+                        } catch (RemoteException ex) {
+                            remove(r.binder);
+                        }
+                    }
                 }
             }
         } else {
@@ -2102,6 +2122,52 @@
         }
     }
 
+    /**
+     * Send a notification of changes to barring status to PhoneStateListener registrants.
+     *
+     * @param phoneId the phoneId
+     * @param subId the subId
+     * @param barringInfo a structure containing the complete updated barring info.
+     */
+    public void notifyBarringInfoChanged(int phoneId, int subId, @NonNull BarringInfo barringInfo) {
+        if (!checkNotifyPermission("notifyBarringInfo()")) {
+            return;
+        }
+        if (barringInfo == null) {
+            log("Received null BarringInfo for subId=" + subId + ", phoneId=" + phoneId);
+            mBarringInfo.set(phoneId, new BarringInfo());
+            return;
+        }
+
+        synchronized (mRecords) {
+            if (validatePhoneId(phoneId)) {
+                mBarringInfo.set(phoneId, barringInfo);
+                // Barring info is non-null
+                BarringInfo biNoLocation = barringInfo.createLocationInfoSanitizedCopy();
+                if (VDBG) log("listen: call onBarringInfoChanged=" + barringInfo);
+                for (Record r : mRecords) {
+                    if (r.matchPhoneStateListenerEvent(
+                            PhoneStateListener.LISTEN_BARRING_INFO)
+                            && idMatch(r.subId, subId, phoneId)) {
+                        try {
+                            if (DBG_LOC) {
+                                log("notifyBarringInfo: mBarringInfo="
+                                        + barringInfo + " r=" + r);
+                            }
+                            r.callback.onBarringInfoChanged(
+                                    checkFineLocationAccess(r, Build.VERSION_CODES.R)
+                                        ? barringInfo : biNoLocation);
+                        } catch (RemoteException ex) {
+                            mRemoveList.add(r.binder);
+                        }
+                    }
+                }
+            }
+            handleRemoveListLocked();
+        }
+    }
+
+
     @Override
     public void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
         final IndentingPrintWriter pw = new IndentingPrintWriter(writer, "  ");
@@ -2142,6 +2208,7 @@
                 pw.println("mPreciseDataConnectionStates=" + mPreciseDataConnectionStates.get(i));
                 pw.println("mOutgoingCallEmergencyNumber=" + mOutgoingCallEmergencyNumber[i]);
                 pw.println("mOutgoingSmsEmergencyNumber=" + mOutgoingSmsEmergencyNumber[i]);
+                pw.println("mBarringInfo=" + mBarringInfo.get(i));
                 pw.decreaseIndent();
             }
             pw.println("mCarrierNetworkChangeState=" + mCarrierNetworkChangeState);
diff --git a/services/core/java/com/android/server/integrity/IntegrityFileManager.java b/services/core/java/com/android/server/integrity/IntegrityFileManager.java
index 17a4b9c..d763bae 100644
--- a/services/core/java/com/android/server/integrity/IntegrityFileManager.java
+++ b/services/core/java/com/android/server/integrity/IntegrityFileManager.java
@@ -24,6 +24,7 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.server.integrity.model.RuleMetadata;
+import com.android.server.integrity.parser.RandomAccessObject;
 import com.android.server.integrity.parser.RuleBinaryParser;
 import com.android.server.integrity.parser.RuleIndexRange;
 import com.android.server.integrity.parser.RuleIndexingController;
@@ -64,10 +65,8 @@
     // update rules atomically.
     private final File mStagingDir;
 
-    @Nullable
-    private RuleMetadata mRuleMetadataCache;
-    @Nullable
-    private RuleIndexingController mRuleIndexingController;
+    @Nullable private RuleMetadata mRuleMetadataCache;
+    @Nullable private RuleIndexingController mRuleIndexingController;
 
     /** Get the singleton instance of this class. */
     public static synchronized IntegrityFileManager getInstance() {
@@ -132,9 +131,9 @@
         }
 
         try (FileOutputStream ruleFileOutputStream =
-                     new FileOutputStream(new File(mStagingDir, RULES_FILE));
-             FileOutputStream indexingFileOutputStream =
-                     new FileOutputStream(new File(mStagingDir, INDEXING_FILE))) {
+                        new FileOutputStream(new File(mStagingDir, RULES_FILE));
+                FileOutputStream indexingFileOutputStream =
+                        new FileOutputStream(new File(mStagingDir, INDEXING_FILE))) {
             mRuleSerializer.serialize(
                     rules, Optional.empty(), ruleFileOutputStream, indexingFileOutputStream);
         }
@@ -164,11 +163,10 @@
             }
 
             // Read the rules based on the index information when available.
-            try (FileInputStream inputStream =
-                         new FileInputStream(new File(mRulesDir, RULES_FILE))) {
-                List<Rule> rules = mRuleParser.parse(inputStream, ruleReadingIndexes);
-                return rules;
-            }
+            File ruleFile = new File(mRulesDir, RULES_FILE);
+            List<Rule> rules =
+                    mRuleParser.parse(RandomAccessObject.ofFile(ruleFile), ruleReadingIndexes);
+            return rules;
         }
     }
 
diff --git a/services/core/java/com/android/server/integrity/model/BitInputStream.java b/services/core/java/com/android/server/integrity/model/BitInputStream.java
index e768fe6..e7cc81e 100644
--- a/services/core/java/com/android/server/integrity/model/BitInputStream.java
+++ b/services/core/java/com/android/server/integrity/model/BitInputStream.java
@@ -19,26 +19,21 @@
 import java.io.IOException;
 import java.io.InputStream;
 
-/** A wrapper class for reading a stream of bits. */
+/** A wrapper class for reading a stream of bits.
+ *
+ * <p>Note: this class reads from underlying stream byte-by-byte. It is advised to apply buffering
+ * to underlying streams.
+ */
 public class BitInputStream {
 
-    private long mBitPointer;
-    private boolean mReadFromStream;
+    private long mBitsRead;
 
-    private byte[] mRuleBytes;
-    private InputStream mRuleInputStream;
+    private InputStream mInputStream;
 
-    private byte mCurrentRuleByte;
+    private byte mCurrentByte;
 
-    public BitInputStream(byte[] ruleBytes) {
-        this.mRuleBytes = ruleBytes;
-        this.mBitPointer = 0;
-        this.mReadFromStream = false;
-    }
-
-    public BitInputStream(InputStream ruleInputStream) {
-        this.mRuleInputStream = ruleInputStream;
-        this.mReadFromStream = true;
+    public BitInputStream(InputStream inputStream) {
+        mInputStream = inputStream;
     }
 
     /**
@@ -52,15 +47,15 @@
         int count = 0;
 
         while (count++ < numOfBits) {
-            if (mBitPointer % 8 == 0) {
-                mCurrentRuleByte = getNextByte();
+            if (mBitsRead % 8 == 0) {
+                mCurrentByte = getNextByte();
             }
-            int offset = 7 - (int) (mBitPointer % 8);
+            int offset = 7 - (int) (mBitsRead % 8);
 
             component <<= 1;
-            component |= (mCurrentRuleByte >>> offset) & 1;
+            component |= (mCurrentByte >>> offset) & 1;
 
-            mBitPointer++;
+            mBitsRead++;
         }
 
         return component;
@@ -68,22 +63,10 @@
 
     /** Check if there are bits left in the stream. */
     public boolean hasNext() throws IOException {
-        if (mReadFromStream) {
-            return mRuleInputStream.available() > 0;
-        } else {
-            return mBitPointer / 8 < mRuleBytes.length;
-        }
+        return mInputStream.available() > 0;
     }
 
     private byte getNextByte() throws IOException {
-        if (mReadFromStream) {
-            return (byte) mRuleInputStream.read();
-        } else {
-            int idx = (int) (mBitPointer / 8);
-            if (idx >= mRuleBytes.length) {
-                throw new IllegalArgumentException(String.format("Invalid byte index: %d", idx));
-            }
-            return mRuleBytes[idx];
-        }
+        return (byte) mInputStream.read();
     }
 }
diff --git a/services/core/java/com/android/server/integrity/model/BitOutputStream.java b/services/core/java/com/android/server/integrity/model/BitOutputStream.java
index da778aa..7d1bb3f 100644
--- a/services/core/java/com/android/server/integrity/model/BitOutputStream.java
+++ b/services/core/java/com/android/server/integrity/model/BitOutputStream.java
@@ -16,6 +16,8 @@
 
 package com.android.server.integrity.model;
 
+import static com.android.server.integrity.model.ComponentBitSize.BYTE_BITS;
+
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.Arrays;
@@ -24,7 +26,6 @@
 public class BitOutputStream {
 
     private static final int BUFFER_SIZE = 4 * 1024;
-    private static final int BYTE_BITS = 8;
 
     private int mNextBitIndex;
 
diff --git a/services/core/java/com/android/server/integrity/model/BitTrackedInputStream.java b/services/core/java/com/android/server/integrity/model/BitTrackedInputStream.java
deleted file mode 100644
index 4bf8fe8..0000000
--- a/services/core/java/com/android/server/integrity/model/BitTrackedInputStream.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.server.integrity.model;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-/**
- * An input stream that tracks the total number read bytes since construction and allows moving
- * fast forward to a certain byte any time during the execution.
- *
- * This class is used for efficient reading of rules based on the rule indexing.
- */
-public class BitTrackedInputStream extends BitInputStream {
-
-    private int mReadBitsCount;
-
-    /** Constructor with byte array. */
-    public BitTrackedInputStream(byte[] inputStream) {
-        super(inputStream);
-        mReadBitsCount = 0;
-    }
-
-    /** Constructor with input stream. */
-    public BitTrackedInputStream(InputStream inputStream) {
-        super(inputStream);
-        mReadBitsCount = 0;
-    }
-
-    /** Obtains an integer value of the next {@code numOfBits}. */
-    @Override
-    public int getNext(int numOfBits) throws IOException {
-        mReadBitsCount += numOfBits;
-        return super.getNext(numOfBits);
-    }
-
-    /** Returns the current cursor position showing the number of bits that are read. */
-    public int getReadBitsCount() {
-        return mReadBitsCount;
-    }
-
-    /**
-     * Returns true if we can read more rules by checking whether the end index is not reached yet.
-     */
-    public boolean canReadMoreRules(int endIndexBytes) {
-        return mReadBitsCount < endIndexBytes * 8;
-    }
-
-    /**
-     * Sets the cursor to the specified byte location.
-     *
-     * Note that the integer parameter specifies the location in bytes -- not bits.
-     */
-    public void setCursorToByteLocation(int byteLocation) throws IOException {
-        int bitCountToRead = byteLocation * 8 - mReadBitsCount;
-        if (bitCountToRead < 0) {
-            throw new IllegalStateException("The byte position is already read.");
-        }
-        super.getNext(bitCountToRead);
-        mReadBitsCount = byteLocation * 8;
-    }
-}
diff --git a/services/core/java/com/android/server/integrity/model/ByteTrackedOutputStream.java b/services/core/java/com/android/server/integrity/model/ByteTrackedOutputStream.java
index 0d6807a..ceed054 100644
--- a/services/core/java/com/android/server/integrity/model/ByteTrackedOutputStream.java
+++ b/services/core/java/com/android/server/integrity/model/ByteTrackedOutputStream.java
@@ -27,8 +27,6 @@
  */
 public class ByteTrackedOutputStream extends OutputStream {
 
-    private static final int INT_BYTES = 4;
-
     private int mWrittenBytesCount;
     private final OutputStream mOutputStream;
 
@@ -39,7 +37,7 @@
 
     @Override
     public void write(int b) throws IOException {
-        mWrittenBytesCount += INT_BYTES;
+        mWrittenBytesCount++;
         mOutputStream.write(b);
     }
 
@@ -49,8 +47,7 @@
      */
     @Override
     public void write(byte[] bytes) throws IOException {
-        mWrittenBytesCount += bytes.length;
-        mOutputStream.write(bytes);
+        write(bytes, 0, bytes.length);
     }
 
     @Override
diff --git a/services/core/java/com/android/server/integrity/model/ComponentBitSize.java b/services/core/java/com/android/server/integrity/model/ComponentBitSize.java
index 6ec2d5f..c389963 100644
--- a/services/core/java/com/android/server/integrity/model/ComponentBitSize.java
+++ b/services/core/java/com/android/server/integrity/model/ComponentBitSize.java
@@ -23,13 +23,14 @@
  * components.
  */
 public final class ComponentBitSize {
-    public static final int FORMAT_VERSION_BITS = 5;
+    public static final int FORMAT_VERSION_BITS = 8;
+
     public static final int EFFECT_BITS = 3;
     public static final int KEY_BITS = 4;
     public static final int OPERATOR_BITS = 3;
     public static final int CONNECTOR_BITS = 2;
     public static final int SEPARATOR_BITS = 2;
-    public static final int VALUE_SIZE_BITS = 6;
+    public static final int VALUE_SIZE_BITS = 8;
     public static final int IS_HASHED_BITS = 1;
 
     public static final int ATOMIC_FORMULA_START = 0;
@@ -38,4 +39,6 @@
 
     public static final int DEFAULT_FORMAT_VERSION = 1;
     public static final int SIGNAL_BIT = 1;
+
+    public static final int BYTE_BITS = 8;
 }
diff --git a/services/core/java/com/android/server/integrity/model/IndexingFileConstants.java b/services/core/java/com/android/server/integrity/model/IndexingFileConstants.java
index 52df89870..d21febb 100644
--- a/services/core/java/com/android/server/integrity/model/IndexingFileConstants.java
+++ b/services/core/java/com/android/server/integrity/model/IndexingFileConstants.java
@@ -18,9 +18,9 @@
 
 /**  A helper class containing special indexing file constants. */
 public final class IndexingFileConstants {
-    // The parsing time seems acceptable for this block size based on the tests in
-    // go/ic-rule-file-format.
-    public static final int INDEXING_BLOCK_SIZE = 100;
+    // We empirically experimented with different block sizes and identified that 250 is in the
+    // optimal range of efficient computation.
+    public static final int INDEXING_BLOCK_SIZE = 250;
 
     public static final String START_INDEXING_KEY = "START_KEY";
     public static final String END_INDEXING_KEY = "END_KEY";
diff --git a/services/core/java/com/android/server/integrity/parser/LimitInputStream.java b/services/core/java/com/android/server/integrity/parser/LimitInputStream.java
new file mode 100644
index 0000000..a91bbb7
--- /dev/null
+++ b/services/core/java/com/android/server/integrity/parser/LimitInputStream.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.integrity.parser;
+
+import java.io.FilterInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/** An {@link InputStream} that basically truncates another {@link InputStream} */
+public class LimitInputStream extends FilterInputStream {
+    private int mReadBytes;
+    private final int mLimit;
+
+    public LimitInputStream(InputStream in, int limit) {
+        super(in);
+        if (limit < 0) {
+            throw new IllegalArgumentException("limit " + limit + " cannot be negative");
+        }
+        mReadBytes = 0;
+        mLimit = limit;
+    }
+
+    @Override
+    public int available() throws IOException {
+        return Math.min(super.available(), mLimit - mReadBytes);
+    }
+
+    @Override
+    public int read() throws IOException {
+        if (mReadBytes == mLimit) {
+            return -1;
+        }
+        mReadBytes++;
+        return super.read();
+    }
+
+    @Override
+    public int read(byte[] b) throws IOException {
+        return read(b, 0, b.length);
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        if (len <= 0) {
+            return 0;
+        }
+        int available = available();
+        if (available <= 0) {
+            return -1;
+        }
+        int result = super.read(b, off, Math.min(len, available));
+        mReadBytes += result;
+        return result;
+    }
+
+    @Override
+    public long skip(long n) throws IOException {
+        if (n <= 0) {
+            return 0;
+        }
+        int available = available();
+        if (available <= 0) {
+            return 0;
+        }
+        int bytesToSkip = (int) Math.min(available, n);
+        long bytesSkipped = super.skip(bytesToSkip);
+        mReadBytes += (int) bytesSkipped;
+        return bytesSkipped;
+    }
+}
diff --git a/services/core/java/com/android/server/integrity/parser/RandomAccessInputStream.java b/services/core/java/com/android/server/integrity/parser/RandomAccessInputStream.java
new file mode 100644
index 0000000..206e6a1
--- /dev/null
+++ b/services/core/java/com/android/server/integrity/parser/RandomAccessInputStream.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.integrity.parser;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/** A wrapper around {@link RandomAccessObject} to turn it into a {@link InputStream}. */
+public class RandomAccessInputStream extends InputStream {
+
+    private final RandomAccessObject mRandomAccessObject;
+
+    private int mPosition;
+
+    public RandomAccessInputStream(RandomAccessObject object) throws IOException {
+        mRandomAccessObject = object;
+        mPosition = 0;
+    }
+
+    /** Returns the position of the file pointer. */
+    public int getPosition() {
+        return mPosition;
+    }
+
+    /** See {@link RandomAccessObject#seek(int)} */
+    public void seek(int position) throws IOException {
+        mRandomAccessObject.seek(position);
+        mPosition = position;
+    }
+
+    @Override
+    public int available() throws IOException {
+        return mRandomAccessObject.length() - mPosition;
+    }
+
+    @Override
+    public void close() throws IOException {
+        mRandomAccessObject.close();
+    }
+
+    @Override
+    public int read() throws IOException {
+        if (available() <= 0) {
+            return -1;
+        }
+        mPosition++;
+        return mRandomAccessObject.read();
+    }
+
+    @Override
+    public int read(byte[] b) throws IOException {
+        return read(b, 0, b.length);
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        if (len <= 0) {
+            return 0;
+        }
+        int available = available();
+        if (available <= 0) {
+            return -1;
+        }
+        int result = mRandomAccessObject.read(b, off, Math.min(len, available));
+        mPosition += result;
+        return result;
+    }
+
+    @Override
+    public long skip(long n) throws IOException {
+        if (n <= 0) {
+            return 0;
+        }
+        int available = available();
+        if (available <= 0) {
+            return 0;
+        }
+        int skipAmount = (int) Math.min(available, n);
+        mPosition += skipAmount;
+        mRandomAccessObject.seek(mPosition);
+        return skipAmount;
+    }
+}
diff --git a/services/core/java/com/android/server/integrity/parser/RandomAccessObject.java b/services/core/java/com/android/server/integrity/parser/RandomAccessObject.java
new file mode 100644
index 0000000..d9b2e38
--- /dev/null
+++ b/services/core/java/com/android/server/integrity/parser/RandomAccessObject.java
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.integrity.parser;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+
+/** An interface for random access objects like RandomAccessFile or byte arrays. */
+public abstract class RandomAccessObject {
+
+    /** See {@link RandomAccessFile#seek(long)}. */
+    public abstract void seek(int position) throws IOException;
+
+    /** See {@link RandomAccessFile#read()}. */
+    public abstract int read() throws IOException;
+
+    /** See {@link RandomAccessFile#read(byte[], int, int)}. */
+    public abstract int read(byte[] bytes, int off, int len) throws IOException;
+
+    /** See {@link RandomAccessFile#close()}. */
+    public abstract void close() throws IOException;
+
+    /** See {@link java.io.RandomAccessFile#length()}. */
+    public abstract int length();
+
+    /** Static constructor from a file. */
+    public static RandomAccessObject ofFile(File file) throws IOException {
+        return new RandomAccessFileObject(file);
+    }
+
+    /** Static constructor from a byte array. */
+    public static RandomAccessObject ofBytes(byte[] bytes) {
+        return new RandomAccessByteArrayObject(bytes);
+    }
+
+    private static class RandomAccessFileObject extends RandomAccessObject {
+        private final RandomAccessFile mRandomAccessFile;
+        // We cache the length since File.length() invokes file IO.
+        private final int mLength;
+
+        RandomAccessFileObject(File file) throws IOException {
+            long length = file.length();
+            if (length > Integer.MAX_VALUE) {
+                throw new IOException("Unsupported file size (too big) " + length);
+            }
+
+            mRandomAccessFile = new RandomAccessFile(file, /* mode= */ "r");
+            mLength = (int) length;
+        }
+
+        @Override
+        public void seek(int position) throws IOException {
+            mRandomAccessFile.seek(position);
+        }
+
+        @Override
+        public int read() throws IOException {
+            return mRandomAccessFile.read();
+        }
+
+        @Override
+        public int read(byte[] bytes, int off, int len) throws IOException {
+            return mRandomAccessFile.read(bytes, off, len);
+        }
+
+        @Override
+        public void close() throws IOException {
+            mRandomAccessFile.close();
+        }
+
+        @Override
+        public int length() {
+            return mLength;
+        }
+    }
+
+    private static class RandomAccessByteArrayObject extends RandomAccessObject {
+
+        private final ByteBuffer mBytes;
+
+        RandomAccessByteArrayObject(byte[] bytes) {
+            mBytes = ByteBuffer.wrap(bytes);
+        }
+
+        @Override
+        public void seek(int position) throws IOException {
+            mBytes.position(position);
+        }
+
+        @Override
+        public int read() throws IOException {
+            if (!mBytes.hasRemaining()) {
+                return -1;
+            }
+
+            return mBytes.get() & 0xFF;
+        }
+
+        @Override
+        public int read(byte[] bytes, int off, int len) throws IOException {
+            int bytesToCopy = Math.min(len, mBytes.remaining());
+            if (bytesToCopy <= 0) {
+                return 0;
+            }
+            mBytes.get(bytes, off, len);
+            return bytesToCopy;
+        }
+
+        @Override
+        public void close() throws IOException {}
+
+        @Override
+        public int length() {
+            return mBytes.capacity();
+        }
+    }
+}
diff --git a/services/core/java/com/android/server/integrity/parser/RuleBinaryParser.java b/services/core/java/com/android/server/integrity/parser/RuleBinaryParser.java
index 2f28563..90954ff 100644
--- a/services/core/java/com/android/server/integrity/parser/RuleBinaryParser.java
+++ b/services/core/java/com/android/server/integrity/parser/RuleBinaryParser.java
@@ -17,6 +17,7 @@
 package com.android.server.integrity.parser;
 
 import static com.android.server.integrity.model.ComponentBitSize.ATOMIC_FORMULA_START;
+import static com.android.server.integrity.model.ComponentBitSize.BYTE_BITS;
 import static com.android.server.integrity.model.ComponentBitSize.COMPOUND_FORMULA_END;
 import static com.android.server.integrity.model.ComponentBitSize.COMPOUND_FORMULA_START;
 import static com.android.server.integrity.model.ComponentBitSize.CONNECTOR_BITS;
@@ -37,10 +38,10 @@
 import android.content.integrity.Formula;
 import android.content.integrity.Rule;
 
-import com.android.server.integrity.model.BitTrackedInputStream;
+import com.android.server.integrity.model.BitInputStream;
 
+import java.io.BufferedInputStream;
 import java.io.IOException;
-import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -50,45 +51,42 @@
 
     @Override
     public List<Rule> parse(byte[] ruleBytes) throws RuleParseException {
-        try {
-            BitTrackedInputStream bitTrackedInputStream = new BitTrackedInputStream(ruleBytes);
-            return parseRules(bitTrackedInputStream, /* indexRanges= */ Collections.emptyList());
-        } catch (Exception e) {
-            throw new RuleParseException(e.getMessage(), e);
-        }
+        return parse(RandomAccessObject.ofBytes(ruleBytes), Collections.emptyList());
     }
 
     @Override
-    public List<Rule> parse(InputStream inputStream, List<RuleIndexRange> indexRanges)
+    public List<Rule> parse(RandomAccessObject randomAccessObject, List<RuleIndexRange> indexRanges)
             throws RuleParseException {
-        try {
-            BitTrackedInputStream bitTrackedInputStream = new BitTrackedInputStream(inputStream);
-            return parseRules(bitTrackedInputStream, indexRanges);
+        try (RandomAccessInputStream randomAccessInputStream =
+                new RandomAccessInputStream(randomAccessObject)) {
+            return parseRules(randomAccessInputStream, indexRanges);
         } catch (Exception e) {
             throw new RuleParseException(e.getMessage(), e);
         }
     }
 
     private List<Rule> parseRules(
-            BitTrackedInputStream bitTrackedInputStream,
+            RandomAccessInputStream randomAccessInputStream,
             List<RuleIndexRange> indexRanges)
             throws IOException {
 
         // Read the rule binary file format version.
-        bitTrackedInputStream.getNext(FORMAT_VERSION_BITS);
+        randomAccessInputStream.skip(FORMAT_VERSION_BITS / BYTE_BITS);
 
         return indexRanges.isEmpty()
-                ? parseAllRules(bitTrackedInputStream)
-                : parseIndexedRules(bitTrackedInputStream, indexRanges);
+                ? parseAllRules(randomAccessInputStream)
+                : parseIndexedRules(randomAccessInputStream, indexRanges);
     }
 
-    private List<Rule> parseAllRules(BitTrackedInputStream bitTrackedInputStream)
+    private List<Rule> parseAllRules(RandomAccessInputStream randomAccessInputStream)
             throws IOException {
         List<Rule> parsedRules = new ArrayList<>();
 
-        while (bitTrackedInputStream.hasNext()) {
-            if (bitTrackedInputStream.getNext(SIGNAL_BIT) == 1) {
-                parsedRules.add(parseRule(bitTrackedInputStream));
+        BitInputStream inputStream =
+                new BitInputStream(new BufferedInputStream(randomAccessInputStream));
+        while (inputStream.hasNext()) {
+            if (inputStream.getNext(SIGNAL_BIT) == 1) {
+                parsedRules.add(parseRule(inputStream));
             }
         }
 
@@ -96,18 +94,25 @@
     }
 
     private List<Rule> parseIndexedRules(
-            BitTrackedInputStream bitTrackedInputStream, List<RuleIndexRange> indexRanges)
+            RandomAccessInputStream randomAccessInputStream,
+            List<RuleIndexRange> indexRanges)
             throws IOException {
         List<Rule> parsedRules = new ArrayList<>();
 
         for (RuleIndexRange range : indexRanges) {
-            // Skip the rules that are not in the range.
-            bitTrackedInputStream.setCursorToByteLocation(range.getStartIndex());
+            randomAccessInputStream.seek(range.getStartIndex());
 
-            // Read the rules until we reach the end index.
-            while (bitTrackedInputStream.canReadMoreRules(range.getEndIndex())) {
-                if (bitTrackedInputStream.getNext(SIGNAL_BIT) == 1) {
-                    parsedRules.add(parseRule(bitTrackedInputStream));
+            BitInputStream inputStream =
+                    new BitInputStream(
+                            new BufferedInputStream(
+                                    new LimitInputStream(
+                                            randomAccessInputStream,
+                                            range.getEndIndex() - range.getStartIndex())));
+
+            // Read the rules until we reach the end index. available() here is not reliable.
+            while (inputStream.hasNext()) {
+                if (inputStream.getNext(SIGNAL_BIT) == 1) {
+                    parsedRules.add(parseRule(inputStream));
                 }
             }
         }
@@ -115,24 +120,24 @@
         return parsedRules;
     }
 
-    private Rule parseRule(BitTrackedInputStream bitTrackedInputStream) throws IOException {
-        Formula formula = parseFormula(bitTrackedInputStream);
-        int effect = bitTrackedInputStream.getNext(EFFECT_BITS);
+    private Rule parseRule(BitInputStream bitInputStream) throws IOException {
+        Formula formula = parseFormula(bitInputStream);
+        int effect = bitInputStream.getNext(EFFECT_BITS);
 
-        if (bitTrackedInputStream.getNext(SIGNAL_BIT) != 1) {
+        if (bitInputStream.getNext(SIGNAL_BIT) != 1) {
             throw new IllegalArgumentException("A rule must end with a '1' bit.");
         }
 
         return new Rule(formula, effect);
     }
 
-    private Formula parseFormula(BitTrackedInputStream bitTrackedInputStream) throws IOException {
-        int separator = bitTrackedInputStream.getNext(SEPARATOR_BITS);
+    private Formula parseFormula(BitInputStream bitInputStream) throws IOException {
+        int separator = bitInputStream.getNext(SEPARATOR_BITS);
         switch (separator) {
             case ATOMIC_FORMULA_START:
-                return parseAtomicFormula(bitTrackedInputStream);
+                return parseAtomicFormula(bitInputStream);
             case COMPOUND_FORMULA_START:
-                return parseCompoundFormula(bitTrackedInputStream);
+                return parseCompoundFormula(bitInputStream);
             case COMPOUND_FORMULA_END:
                 return null;
             default:
@@ -141,40 +146,37 @@
         }
     }
 
-    private CompoundFormula parseCompoundFormula(BitTrackedInputStream bitTrackedInputStream)
-            throws IOException {
-        int connector = bitTrackedInputStream.getNext(CONNECTOR_BITS);
+    private CompoundFormula parseCompoundFormula(BitInputStream bitInputStream) throws IOException {
+        int connector = bitInputStream.getNext(CONNECTOR_BITS);
         List<Formula> formulas = new ArrayList<>();
 
-        Formula parsedFormula = parseFormula(bitTrackedInputStream);
+        Formula parsedFormula = parseFormula(bitInputStream);
         while (parsedFormula != null) {
             formulas.add(parsedFormula);
-            parsedFormula = parseFormula(bitTrackedInputStream);
+            parsedFormula = parseFormula(bitInputStream);
         }
 
         return new CompoundFormula(connector, formulas);
     }
 
-    private AtomicFormula parseAtomicFormula(BitTrackedInputStream bitTrackedInputStream)
-            throws IOException {
-        int key = bitTrackedInputStream.getNext(KEY_BITS);
-        int operator = bitTrackedInputStream.getNext(OPERATOR_BITS);
+    private AtomicFormula parseAtomicFormula(BitInputStream bitInputStream) throws IOException {
+        int key = bitInputStream.getNext(KEY_BITS);
+        int operator = bitInputStream.getNext(OPERATOR_BITS);
 
         switch (key) {
             case AtomicFormula.PACKAGE_NAME:
             case AtomicFormula.APP_CERTIFICATE:
             case AtomicFormula.INSTALLER_NAME:
             case AtomicFormula.INSTALLER_CERTIFICATE:
-                boolean isHashedValue = bitTrackedInputStream.getNext(IS_HASHED_BITS) == 1;
-                int valueSize = bitTrackedInputStream.getNext(VALUE_SIZE_BITS);
-                String stringValue = getStringValue(bitTrackedInputStream, valueSize,
-                        isHashedValue);
+                boolean isHashedValue = bitInputStream.getNext(IS_HASHED_BITS) == 1;
+                int valueSize = bitInputStream.getNext(VALUE_SIZE_BITS);
+                String stringValue = getStringValue(bitInputStream, valueSize, isHashedValue);
                 return new AtomicFormula.StringAtomicFormula(key, stringValue, isHashedValue);
             case AtomicFormula.VERSION_CODE:
-                int intValue = getIntValue(bitTrackedInputStream);
+                int intValue = getIntValue(bitInputStream);
                 return new AtomicFormula.IntAtomicFormula(key, operator, intValue);
             case AtomicFormula.PRE_INSTALLED:
-                boolean booleanValue = getBooleanValue(bitTrackedInputStream);
+                boolean booleanValue = getBooleanValue(bitInputStream);
                 return new AtomicFormula.BooleanAtomicFormula(key, booleanValue);
             default:
                 throw new IllegalArgumentException(String.format("Unknown key: %d", key));
diff --git a/services/core/java/com/android/server/integrity/parser/RuleIndexRange.java b/services/core/java/com/android/server/integrity/parser/RuleIndexRange.java
index 453fa5d..595a035 100644
--- a/services/core/java/com/android/server/integrity/parser/RuleIndexRange.java
+++ b/services/core/java/com/android/server/integrity/parser/RuleIndexRange.java
@@ -47,4 +47,9 @@
         return mStartIndex == ((RuleIndexRange) object).getStartIndex()
                 && mEndIndex == ((RuleIndexRange) object).getEndIndex();
     }
+
+    @Override
+    public String toString() {
+        return String.format("Range{%d, %d}", mStartIndex, mEndIndex);
+    }
 }
diff --git a/services/core/java/com/android/server/integrity/parser/RuleParser.java b/services/core/java/com/android/server/integrity/parser/RuleParser.java
index a8e9f61..126dacc 100644
--- a/services/core/java/com/android/server/integrity/parser/RuleParser.java
+++ b/services/core/java/com/android/server/integrity/parser/RuleParser.java
@@ -18,7 +18,6 @@
 
 import android.content.integrity.Rule;
 
-import java.io.InputStream;
 import java.util.List;
 
 /** A helper class to parse rules into the {@link Rule} model. */
@@ -28,6 +27,6 @@
     List<Rule> parse(byte[] ruleBytes) throws RuleParseException;
 
     /** Parse rules from an input stream. */
-    List<Rule> parse(InputStream inputStream, List<RuleIndexRange> ruleIndexRanges)
+    List<Rule> parse(RandomAccessObject randomAccessObject, List<RuleIndexRange> ruleIndexRanges)
             throws RuleParseException;
 }
diff --git a/services/core/java/com/android/server/integrity/parser/RuleXmlParser.java b/services/core/java/com/android/server/integrity/parser/RuleXmlParser.java
index 497be84..53b0c2e 100644
--- a/services/core/java/com/android/server/integrity/parser/RuleXmlParser.java
+++ b/services/core/java/com/android/server/integrity/parser/RuleXmlParser.java
@@ -26,7 +26,6 @@
 import org.xmlpull.v1.XmlPullParserException;
 
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.StringReader;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
@@ -62,11 +61,13 @@
     }
 
     @Override
-    public List<Rule> parse(InputStream inputStream, List<RuleIndexRange> indexRanges)
+    public List<Rule> parse(RandomAccessObject randomAccessObject, List<RuleIndexRange> indexRanges)
             throws RuleParseException {
         try {
             XmlPullParser xmlPullParser = Xml.newPullParser();
-            xmlPullParser.setInput(inputStream, StandardCharsets.UTF_8.name());
+            xmlPullParser.setInput(
+                    new RandomAccessInputStream(randomAccessObject),
+                    StandardCharsets.UTF_8.name());
             return parseRules(xmlPullParser);
         } catch (Exception e) {
             throw new RuleParseException(e.getMessage(), e);
diff --git a/services/core/java/com/android/server/location/UserInfoStore.java b/services/core/java/com/android/server/location/UserInfoStore.java
index 550f51c..f282ed2 100644
--- a/services/core/java/com/android/server/location/UserInfoStore.java
+++ b/services/core/java/com/android/server/location/UserInfoStore.java
@@ -24,6 +24,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.UserInfo;
+import android.os.Binder;
 import android.os.Build;
 import android.os.UserHandle;
 import android.os.UserManager;
@@ -152,7 +153,7 @@
         // this intent is only sent to the current user
         if (mCachedParentUserId == mCurrentUserId) {
             mCachedParentUserId = UserHandle.USER_NULL;
-            mCachedProfileUserIds = null;
+            mCachedProfileUserIds = new int[]{UserHandle.USER_NULL};
         }
     }
 
@@ -185,16 +186,21 @@
         } else {
             Preconditions.checkState(mUserManager != null);
 
-            UserInfo userInfo = mUserManager.getProfileParent(userId);
-            if (userInfo != null) {
-                parentUserId = userInfo.id;
-            } else {
-                // getProfileParent() returns null if the userId is already the parent...
-                parentUserId = userId;
-            }
+            long identity = Binder.clearCallingIdentity();
+            try {
+                UserInfo userInfo = mUserManager.getProfileParent(userId);
+                if (userInfo != null) {
+                    parentUserId = userInfo.id;
+                } else {
+                    // getProfileParent() returns null if the userId is already the parent...
+                    parentUserId = userId;
+                }
 
-            // force profiles into cache
-            getProfileUserIdsForParentUser(parentUserId);
+                // force profiles into cache
+                getProfileUserIdsForParentUser(parentUserId);
+            } finally {
+                Binder.restoreCallingIdentity(identity);
+            }
         }
 
         return parentUserId;
@@ -204,13 +210,24 @@
     private int[] getProfileUserIdsForParentUser(@UserIdInt int parentUserId) {
         Preconditions.checkState(mUserManager != null);
 
+        // only assert on debug builds as this is a more expensive check
         if (Build.IS_DEBUGGABLE) {
-            Preconditions.checkArgument(mUserManager.getProfileParent(parentUserId) == null);
+            long identity = Binder.clearCallingIdentity();
+            try {
+                Preconditions.checkArgument(mUserManager.getProfileParent(parentUserId) == null);
+            } finally {
+                Binder.restoreCallingIdentity(identity);
+            }
         }
 
         if (parentUserId != mCachedParentUserId) {
-            mCachedParentUserId = parentUserId;
-            mCachedProfileUserIds = mUserManager.getProfileIdsWithDisabled(parentUserId);
+            long identity = Binder.clearCallingIdentity();
+            try {
+                mCachedParentUserId = parentUserId;
+                mCachedProfileUserIds = mUserManager.getProfileIdsWithDisabled(parentUserId);
+            } finally {
+                Binder.restoreCallingIdentity(identity);
+            }
         }
 
         return mCachedProfileUserIds;
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index ea2385f..0bd7392 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -71,11 +71,11 @@
 import android.util.DisplayMetrics;
 import android.util.EventLog;
 import android.util.Slog;
+import android.util.StatsLog;
 import android.view.WindowManager;
 import android.view.contentcapture.ContentCaptureManager;
 
 import com.android.internal.R;
-import com.android.internal.logging.MetricsLogger;
 import com.android.internal.notification.SystemNotificationChannels;
 import com.android.internal.os.BinderInternal;
 import com.android.internal.util.ConcurrentUtils;
@@ -443,10 +443,12 @@
 
             // Here we go!
             Slog.i(TAG, "Entered the Android system server!");
-            int uptimeMillis = (int) SystemClock.elapsedRealtime();
+            final long uptimeMillis = SystemClock.elapsedRealtime();
             EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, uptimeMillis);
             if (!mRuntimeRestart) {
-                MetricsLogger.histogram(null, "boot_system_server_init", uptimeMillis);
+                StatsLog.write(StatsLog.BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
+                        StatsLog.BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__SYSTEM_SERVER_INIT_START,
+                        uptimeMillis);
             }
 
             // In case the runtime switched since last boot (such as when
@@ -555,10 +557,12 @@
         StrictMode.initVmDefaults(null);
 
         if (!mRuntimeRestart && !isFirstBootOrUpgrade()) {
-            int uptimeMillis = (int) SystemClock.elapsedRealtime();
-            MetricsLogger.histogram(null, "boot_system_server_ready", uptimeMillis);
-            final int MAX_UPTIME_MILLIS = 60 * 1000;
-            if (uptimeMillis > MAX_UPTIME_MILLIS) {
+            final long uptimeMillis = SystemClock.elapsedRealtime();
+            StatsLog.write(StatsLog.BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
+                    StatsLog.BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__SYSTEM_SERVER_READY,
+                    uptimeMillis);
+            final long maxUptimeMillis = 60 * 1000;
+            if (uptimeMillis > maxUptimeMillis) {
                 Slog.wtf(SYSTEM_SERVER_TIMING_TAG,
                         "SystemServer init took too long. uptimeMillis=" + uptimeMillis);
             }
@@ -791,8 +795,9 @@
 
         // Start the package manager.
         if (!mRuntimeRestart) {
-            MetricsLogger.histogram(null, "boot_package_manager_init_start",
-                    (int) SystemClock.elapsedRealtime());
+            StatsLog.write(StatsLog.BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
+                    StatsLog.BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__PACKAGE_MANAGER_INIT_START,
+                    SystemClock.elapsedRealtime());
         }
 
         t.traceBegin("StartPackageManagerService");
@@ -808,8 +813,9 @@
         mPackageManager = mSystemContext.getPackageManager();
         t.traceEnd();
         if (!mRuntimeRestart && !isFirstBootOrUpgrade()) {
-            MetricsLogger.histogram(null, "boot_package_manager_init_ready",
-                    (int) SystemClock.elapsedRealtime());
+            StatsLog.write(StatsLog.BOOT_TIME_EVENT_ELAPSED_TIME_REPORTED,
+                    StatsLog.BOOT_TIME_EVENT_ELAPSED_TIME__EVENT__PACKAGE_MANAGER_INIT_READY,
+                    SystemClock.elapsedRealtime());
         }
         // Manages A/B OTA dexopting. This is a bootstrap service as we need it to rename
         // A/B artifacts after boot, before anything else might touch/need them.
diff --git a/services/tests/servicestests/src/com/android/server/integrity/model/BitTrackedInputStreamTest.java b/services/tests/servicestests/src/com/android/server/integrity/model/BitTrackedInputStreamTest.java
deleted file mode 100644
index 4fa7302..0000000
--- a/services/tests/servicestests/src/com/android/server/integrity/model/BitTrackedInputStreamTest.java
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.server.integrity.model;
-
-import static com.android.server.integrity.model.ComponentBitSize.ATOMIC_FORMULA_START;
-import static com.android.server.integrity.model.ComponentBitSize.COMPOUND_FORMULA_END;
-import static com.android.server.integrity.model.ComponentBitSize.COMPOUND_FORMULA_START;
-import static com.android.server.integrity.model.ComponentBitSize.CONNECTOR_BITS;
-import static com.android.server.integrity.model.ComponentBitSize.EFFECT_BITS;
-import static com.android.server.integrity.model.ComponentBitSize.KEY_BITS;
-import static com.android.server.integrity.model.ComponentBitSize.OPERATOR_BITS;
-import static com.android.server.integrity.model.ComponentBitSize.SEPARATOR_BITS;
-import static com.android.server.integrity.model.ComponentBitSize.VALUE_SIZE_BITS;
-import static com.android.server.integrity.utils.TestUtils.getBits;
-import static com.android.server.integrity.utils.TestUtils.getBytes;
-import static com.android.server.integrity.utils.TestUtils.getValueBits;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.testng.Assert.assertThrows;
-
-import android.content.integrity.AtomicFormula;
-import android.content.integrity.CompoundFormula;
-import android.content.integrity.Rule;
-
-import com.android.server.integrity.parser.BinaryFileOperations;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
-
-import java.io.IOException;
-
-@RunWith(JUnit4.class)
-public class BitTrackedInputStreamTest {
-    private static final String COMPOUND_FORMULA_START_BITS =
-            getBits(COMPOUND_FORMULA_START, SEPARATOR_BITS);
-    private static final String COMPOUND_FORMULA_END_BITS =
-            getBits(COMPOUND_FORMULA_END, SEPARATOR_BITS);
-    private static final String ATOMIC_FORMULA_START_BITS =
-            getBits(ATOMIC_FORMULA_START, SEPARATOR_BITS);
-    private static final String NOT = getBits(CompoundFormula.NOT, CONNECTOR_BITS);
-    private static final String PACKAGE_NAME = getBits(AtomicFormula.PACKAGE_NAME, KEY_BITS);
-    private static final String EQ = getBits(AtomicFormula.EQ, OPERATOR_BITS);
-    private static final String DENY = getBits(Rule.DENY, EFFECT_BITS);
-
-    private static final String IS_NOT_HASHED = "0";
-    private static final String START_BIT = "1";
-    private static final String END_BIT = "1";
-
-    @Test
-    public void testBitOperationsCountBitsCorrectly() throws IOException {
-        String packageName = "com.test.app";
-        byte[] testInput =
-                getBytes(
-                        START_BIT
-                                + COMPOUND_FORMULA_START_BITS
-                                + NOT
-                                + ATOMIC_FORMULA_START_BITS
-                                + PACKAGE_NAME
-                                + EQ
-                                + IS_NOT_HASHED
-                                + getBits(packageName.length(), VALUE_SIZE_BITS)
-                                + getValueBits(packageName)
-                                + COMPOUND_FORMULA_END_BITS
-                                + DENY
-                                + END_BIT);
-
-        BitTrackedInputStream bitTrackedInputStream = new BitTrackedInputStream(testInput);
-
-        // Right after construction, the read bits count should be 0.
-        assertThat(bitTrackedInputStream.getReadBitsCount()).isEqualTo(0);
-
-        // Get next 10 bits should result with 10 bits read.
-        bitTrackedInputStream.getNext(10);
-        assertThat(bitTrackedInputStream.getReadBitsCount()).isEqualTo(10);
-
-        // When we move the cursor 8 bytes, we should point to 64 bits.
-        bitTrackedInputStream.setCursorToByteLocation(8);
-        assertThat(bitTrackedInputStream.getReadBitsCount()).isEqualTo(64);
-
-        // Read until the end and the total size of the input stream should be available.
-        while (bitTrackedInputStream.hasNext()) {
-            bitTrackedInputStream.getNext(1);
-        }
-        assertThat(bitTrackedInputStream.getReadBitsCount()).isEqualTo(128);
-    }
-
-    @Test
-    public void testBitInputStreamOperationsStillWork() throws IOException {
-        String packageName = "com.test.app";
-        byte[] testInput =
-                getBytes(
-                        IS_NOT_HASHED
-                                + getBits(packageName.length(), VALUE_SIZE_BITS)
-                                + getValueBits(packageName));
-
-        BitTrackedInputStream bitTrackedInputStream = new BitTrackedInputStream(testInput);
-        assertThat(bitTrackedInputStream.getReadBitsCount()).isEqualTo(0);
-
-        // Read until the string parameter.
-        String stringValue = BinaryFileOperations.getStringValue(bitTrackedInputStream);
-
-        // Verify that the read bytes are counted.
-        assertThat(stringValue).isEqualTo(packageName);
-        assertThat(bitTrackedInputStream.getReadBitsCount()).isGreaterThan(0);
-    }
-
-    @Test
-    public void testBitTrackedInputStream_canReadMoreRules() throws IOException {
-        String packageName = "com.test.app";
-        byte[] testInput =
-                getBytes(
-                        IS_NOT_HASHED
-                                + getBits(packageName.length(), VALUE_SIZE_BITS)
-                                + getValueBits(packageName));
-
-        BitTrackedInputStream bitTrackedInputStream = new BitTrackedInputStream(testInput);
-        assertThat(bitTrackedInputStream.canReadMoreRules(2)).isTrue();
-
-        // Read until the string parameter.
-        String stringValue = BinaryFileOperations.getStringValue(bitTrackedInputStream);
-
-        // Verify that the read bytes are counted.
-        assertThat(stringValue).isEqualTo(packageName);
-        assertThat(bitTrackedInputStream.canReadMoreRules(2)).isFalse();
-    }
-
-    @Test
-    public void testBitTrackedInputStream_moveCursorForwardFailsIfAlreadyRead() throws IOException {
-        String packageName = "com.test.app";
-        byte[] testInput =
-                getBytes(
-                        IS_NOT_HASHED
-                                + getBits(packageName.length(), VALUE_SIZE_BITS)
-                                + getValueBits(packageName));
-
-        BitTrackedInputStream bitTrackedInputStream = new BitTrackedInputStream(testInput);
-
-        // Read more than two bytes.
-        bitTrackedInputStream.getNext(20);
-
-        // Ask to move the cursor to the second byte.
-        assertThrows(
-                IllegalStateException.class,
-                () -> bitTrackedInputStream.setCursorToByteLocation(2));
-    }
-}
diff --git a/services/tests/servicestests/src/com/android/server/integrity/parser/BinaryFileOperationsTest.java b/services/tests/servicestests/src/com/android/server/integrity/parser/BinaryFileOperationsTest.java
index 94f68a5..cfa1de3 100644
--- a/services/tests/servicestests/src/com/android/server/integrity/parser/BinaryFileOperationsTest.java
+++ b/services/tests/servicestests/src/com/android/server/integrity/parser/BinaryFileOperationsTest.java
@@ -33,8 +33,8 @@
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
+import java.io.ByteArrayInputStream;
 import java.io.IOException;
-import java.nio.ByteBuffer;
 import java.nio.charset.StandardCharsets;
 
 @RunWith(JUnit4.class)
@@ -52,9 +52,7 @@
                         IS_NOT_HASHED
                                 + getBits(PACKAGE_NAME.length(), VALUE_SIZE_BITS)
                                 + getValueBits(PACKAGE_NAME));
-        ByteBuffer rule = ByteBuffer.allocate(stringBytes.length);
-        rule.put(stringBytes);
-        BitInputStream inputStream = new BitInputStream(rule.array());
+        BitInputStream inputStream = new BitInputStream(new ByteArrayInputStream(stringBytes));
 
         String resultString = getStringValue(inputStream);
 
@@ -68,9 +66,7 @@
                         IS_HASHED
                                 + getBits(APP_CERTIFICATE.length(), VALUE_SIZE_BITS)
                                 + getValueBits(APP_CERTIFICATE));
-        ByteBuffer rule = ByteBuffer.allocate(ruleBytes.length);
-        rule.put(ruleBytes);
-        BitInputStream inputStream = new BitInputStream(rule.array());
+        BitInputStream inputStream = new BitInputStream(new ByteArrayInputStream(ruleBytes));
 
         String resultString = getStringValue(inputStream);
 
@@ -82,9 +78,7 @@
     @Test
     public void testGetStringValue_withSizeAndHashingInfo() throws IOException {
         byte[] ruleBytes = getBytes(getValueBits(PACKAGE_NAME));
-        ByteBuffer rule = ByteBuffer.allocate(ruleBytes.length);
-        rule.put(ruleBytes);
-        BitInputStream inputStream = new BitInputStream(rule.array());
+        BitInputStream inputStream = new BitInputStream(new ByteArrayInputStream(ruleBytes));
 
         String resultString = getStringValue(inputStream,
                 PACKAGE_NAME.length(), /* isHashedValue= */false);
@@ -96,9 +90,7 @@
     public void testGetIntValue() throws IOException {
         int randomValue = 15;
         byte[] ruleBytes = getBytes(getBits(randomValue, /* numOfBits= */ 32));
-        ByteBuffer rule = ByteBuffer.allocate(ruleBytes.length);
-        rule.put(ruleBytes);
-        BitInputStream inputStream = new BitInputStream(rule.array());
+        BitInputStream inputStream = new BitInputStream(new ByteArrayInputStream(ruleBytes));
 
         assertThat(getIntValue(inputStream)).isEqualTo(randomValue);
     }
@@ -107,9 +99,7 @@
     public void testGetBooleanValue_true() throws IOException {
         String booleanValue = "1";
         byte[] ruleBytes = getBytes(booleanValue);
-        ByteBuffer rule = ByteBuffer.allocate(ruleBytes.length);
-        rule.put(ruleBytes);
-        BitInputStream inputStream = new BitInputStream(rule.array());
+        BitInputStream inputStream = new BitInputStream(new ByteArrayInputStream(ruleBytes));
 
         assertThat(getBooleanValue(inputStream)).isEqualTo(true);
     }
@@ -118,9 +108,7 @@
     public void testGetBooleanValue_false() throws IOException {
         String booleanValue = "0";
         byte[] ruleBytes = getBytes(booleanValue);
-        ByteBuffer rule = ByteBuffer.allocate(ruleBytes.length);
-        rule.put(ruleBytes);
-        BitInputStream inputStream = new BitInputStream(rule.array());
+        BitInputStream inputStream = new BitInputStream(new ByteArrayInputStream(ruleBytes));
 
         assertThat(getBooleanValue(inputStream)).isEqualTo(false);
     }
diff --git a/services/tests/servicestests/src/com/android/server/integrity/parser/RuleBinaryParserTest.java b/services/tests/servicestests/src/com/android/server/integrity/parser/RuleBinaryParserTest.java
index 881b3d6..e0b2e22 100644
--- a/services/tests/servicestests/src/com/android/server/integrity/parser/RuleBinaryParserTest.java
+++ b/services/tests/servicestests/src/com/android/server/integrity/parser/RuleBinaryParserTest.java
@@ -44,8 +44,6 @@
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.ByteArrayInputStream;
-import java.io.InputStream;
 import java.nio.ByteBuffer;
 import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
@@ -121,7 +119,6 @@
         rule.put(DEFAULT_FORMAT_VERSION_BYTES);
         rule.put(ruleBytes);
         RuleParser binaryParser = new RuleBinaryParser();
-        InputStream inputStream = new ByteArrayInputStream(rule.array());
         Rule expectedRule =
                 new Rule(
                         new CompoundFormula(
@@ -133,7 +130,8 @@
                                                 /* isHashedValue= */ false))),
                         Rule.DENY);
 
-        List<Rule> rules = binaryParser.parse(inputStream, NO_INDEXING);
+        List<Rule> rules =
+                binaryParser.parse(RandomAccessObject.ofBytes(rule.array()), NO_INDEXING);
 
         assertThat(rules).isEqualTo(Collections.singletonList(expectedRule));
     }
@@ -323,6 +321,7 @@
                 ByteBuffer.allocate(DEFAULT_FORMAT_VERSION_BYTES.length + ruleBytes.length);
         rule.put(DEFAULT_FORMAT_VERSION_BYTES);
         rule.put(ruleBytes);
+
         RuleParser binaryParser = new RuleBinaryParser();
         Rule expectedRule =
                 new Rule(
@@ -412,7 +411,7 @@
 
         assertExpectException(
                 RuleParseException.class,
-                /* expectedExceptionMessageRegex */ "A rule must end with a '1' bit.",
+                /* expectedExceptionMessageRegex= */ "A rule must end with a '1' bit.",
                 () -> binaryParser.parse(rule.array()));
     }
 
@@ -439,7 +438,7 @@
 
         assertExpectException(
                 RuleParseException.class,
-                /* expectedExceptionMessageRegex */ "Invalid byte index",
+                /* expectedExceptionMessageRegex */ "",
                 () -> binaryParser.parse(rule.array()));
     }
 
diff --git a/services/tests/servicestests/src/com/android/server/integrity/parser/RuleXmlParserTest.java b/services/tests/servicestests/src/com/android/server/integrity/parser/RuleXmlParserTest.java
index 6944aee..0f0dee9 100644
--- a/services/tests/servicestests/src/com/android/server/integrity/parser/RuleXmlParserTest.java
+++ b/services/tests/servicestests/src/com/android/server/integrity/parser/RuleXmlParserTest.java
@@ -28,8 +28,6 @@
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
-import java.io.ByteArrayInputStream;
-import java.io.InputStream;
 import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.Collections;
@@ -61,7 +59,6 @@
                         + "</R>"
                         + "</RL>";
         RuleParser xmlParser = new RuleXmlParser();
-        InputStream inputStream = new ByteArrayInputStream(ruleXmlCompoundFormula.getBytes());
         Rule expectedRule =
                 new Rule(
                         new CompoundFormula(
@@ -73,7 +70,7 @@
                                                 /* isHashedValue= */ false))),
                         Rule.DENY);
 
-        List<Rule> rules = xmlParser.parse(inputStream, Collections.emptyList());
+        List<Rule> rules = xmlParser.parse(ruleXmlCompoundFormula.getBytes());
 
         assertThat(rules).isEqualTo(Collections.singletonList(expectedRule));
     }
@@ -617,13 +614,12 @@
                                 /* tag= */ "AF", atomicFormulaAttrs, /* closed= */ true)
                         + "</OF>"
                         + "</R>";
-        InputStream inputStream = new ByteArrayInputStream(ruleXmlWithNoRuleList.getBytes());
         RuleParser xmlParser = new RuleXmlParser();
 
         assertExpectException(
                 RuleParseException.class,
                 /* expectedExceptionMessageRegex */ "Rules must start with RuleList <RL> tag",
-                () -> xmlParser.parse(inputStream, Collections.emptyList()));
+                () -> xmlParser.parse(ruleXmlWithNoRuleList.getBytes()));
     }
 
     private String generateTagWithAttribute(
diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index 8397aa4..b8cd378 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -2069,6 +2069,13 @@
         }
 
         @Override
+        public UsageEvents queryEventsForUser(int userId, long beginTime, long endTime,
+                boolean shouldObfuscateInstantApps) {
+            return UsageStatsService.this.queryEvents(
+                    userId, beginTime, endTime, shouldObfuscateInstantApps);
+        }
+
+        @Override
         public void setLastJobRunTime(String packageName, int userId, long elapsedRealtime) {
             mAppStandby.setLastJobRunTime(packageName, userId, elapsedRealtime);
         }
diff --git a/telecomm/java/android/telecom/Call.java b/telecomm/java/android/telecom/Call.java
index a8852a8..826a89e 100644
--- a/telecomm/java/android/telecom/Call.java
+++ b/telecomm/java/android/telecom/Call.java
@@ -568,6 +568,7 @@
         private final Bundle mExtras;
         private final Bundle mIntentExtras;
         private final long mCreationTimeMillis;
+        private final String mContactDisplayName;
         private final @CallDirection int mCallDirection;
         private final @Connection.VerificationStatus int mCallerNumberVerificationStatus;
 
@@ -872,6 +873,17 @@
         }
 
         /**
+         * Returns the name of the caller on the remote end, as derived from a
+         * {@link android.provider.ContactsContract} lookup of the call's handle.
+         * @return The name of the caller, or {@code null} if the lookup is not yet complete, if
+         *         there's no contacts entry for the caller, or if the {@link InCallService} does
+         *         not hold the {@link android.Manifest.permission#READ_CONTACTS} permission.
+         */
+        public @Nullable String getContactDisplayName() {
+            return mContactDisplayName;
+        }
+
+        /**
          * Indicates whether the call is an incoming or outgoing call.
          * @return The call's direction.
          */
@@ -909,6 +921,7 @@
                         areBundlesEqual(mExtras, d.mExtras) &&
                         areBundlesEqual(mIntentExtras, d.mIntentExtras) &&
                         Objects.equals(mCreationTimeMillis, d.mCreationTimeMillis) &&
+                        Objects.equals(mContactDisplayName, d.mContactDisplayName) &&
                         Objects.equals(mCallDirection, d.mCallDirection) &&
                         Objects.equals(mCallerNumberVerificationStatus,
                                 d.mCallerNumberVerificationStatus);
@@ -933,6 +946,7 @@
                             mExtras,
                             mIntentExtras,
                             mCreationTimeMillis,
+                            mContactDisplayName,
                             mCallDirection,
                             mCallerNumberVerificationStatus);
         }
@@ -955,6 +969,7 @@
                 Bundle extras,
                 Bundle intentExtras,
                 long creationTimeMillis,
+                String contactDisplayName,
                 int callDirection,
                 int callerNumberVerificationStatus) {
             mTelecomCallId = telecomCallId;
@@ -973,6 +988,7 @@
             mExtras = extras;
             mIntentExtras = intentExtras;
             mCreationTimeMillis = creationTimeMillis;
+            mContactDisplayName = contactDisplayName;
             mCallDirection = callDirection;
             mCallerNumberVerificationStatus = callerNumberVerificationStatus;
         }
@@ -996,6 +1012,7 @@
                     parcelableCall.getExtras(),
                     parcelableCall.getIntentExtras(),
                     parcelableCall.getCreationTimeMillis(),
+                    parcelableCall.getContactDisplayName(),
                     parcelableCall.getCallDirection(),
                     parcelableCall.getCallerNumberVerificationStatus());
         }
@@ -1445,6 +1462,7 @@
 
     private boolean mChildrenCached;
     private String mParentId = null;
+    private String mActiveGenericConferenceChild = null;
     private int mState;
     private List<String> mCannedTextResponses = null;
     private String mCallingPackage;
@@ -1943,6 +1961,20 @@
     }
 
     /**
+     * Returns the child {@link Call} in a generic conference that is currently active.
+     * For calls that are not generic conferences, or when the generic conference has more than
+     * 2 children, returns {@code null}.
+     * @see Details#PROPERTY_GENERIC_CONFERENCE
+     * @return The active child call.
+     */
+    public @Nullable Call getGenericConferenceActiveChildCall() {
+        if (mActiveGenericConferenceChild != null) {
+            return mPhone.internalGetCallByTelecomId(mActiveGenericConferenceChild);
+        }
+        return null;
+    }
+
+    /**
      * Obtains a list of canned, pre-configured message responses to present to the user as
      * ways of rejecting this {@code Call} using via a text message.
      *
@@ -2190,6 +2222,13 @@
             mChildrenCached = false;
         }
 
+        String activeChildCallId = parcelableCall.getActiveChildCallId();
+        boolean activeChildChanged = !Objects.equals(activeChildCallId,
+                mActiveGenericConferenceChild);
+        if (activeChildChanged) {
+            mActiveGenericConferenceChild = activeChildCallId;
+        }
+
         List<String> conferenceableCallIds = parcelableCall.getConferenceableCallIds();
         List<Call> conferenceableCalls = new ArrayList<Call>(conferenceableCallIds.size());
         for (String otherId : conferenceableCallIds) {
@@ -2249,7 +2288,7 @@
         if (parentChanged) {
             fireParentChanged(getParent());
         }
-        if (childrenChanged) {
+        if (childrenChanged || activeChildChanged) {
             fireChildrenChanged(getChildren());
         }
         if (isRttChanged) {
diff --git a/telecomm/java/android/telecom/ParcelableCall.java b/telecomm/java/android/telecom/ParcelableCall.java
index be4e2f4..415a817 100644
--- a/telecomm/java/android/telecom/ParcelableCall.java
+++ b/telecomm/java/android/telecom/ParcelableCall.java
@@ -16,6 +16,7 @@
 
 package android.telecom;
 
+import android.annotation.Nullable;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.net.Uri;
 import android.os.Build;
@@ -36,6 +37,265 @@
  * @hide
  */
 public final class ParcelableCall implements Parcelable {
+
+    public static class ParcelableCallBuilder {
+        private String mId;
+        private int mState;
+        private DisconnectCause mDisconnectCause;
+        private List<String> mCannedSmsResponses;
+        private int mCapabilities;
+        private int mProperties;
+        private int mSupportedAudioRoutes;
+        private long mConnectTimeMillis;
+        private Uri mHandle;
+        private int mHandlePresentation;
+        private String mCallerDisplayName;
+        private int mCallerDisplayNamePresentation;
+        private GatewayInfo mGatewayInfo;
+        private PhoneAccountHandle mAccountHandle;
+        private boolean mIsVideoCallProviderChanged;
+        private IVideoProvider mVideoCallProvider;
+        private boolean mIsRttCallChanged;
+        private ParcelableRttCall mRttCall;
+        private String mParentCallId;
+        private List<String> mChildCallIds;
+        private StatusHints mStatusHints;
+        private int mVideoState;
+        private List<String> mConferenceableCallIds;
+        private Bundle mIntentExtras;
+        private Bundle mExtras;
+        private long mCreationTimeMillis;
+        private int mCallDirection;
+        private int mCallerNumberVerificationStatus;
+        private String mContactDisplayName;
+        private String mActiveChildCallId;
+
+        public ParcelableCallBuilder setId(String id) {
+            mId = id;
+            return this;
+        }
+
+        public ParcelableCallBuilder setState(int state) {
+            mState = state;
+            return this;
+        }
+
+        public ParcelableCallBuilder setDisconnectCause(DisconnectCause disconnectCause) {
+            mDisconnectCause = disconnectCause;
+            return this;
+        }
+
+        public ParcelableCallBuilder setCannedSmsResponses(List<String> cannedSmsResponses) {
+            mCannedSmsResponses = cannedSmsResponses;
+            return this;
+        }
+
+        public ParcelableCallBuilder setCapabilities(int capabilities) {
+            mCapabilities = capabilities;
+            return this;
+        }
+
+        public ParcelableCallBuilder setProperties(int properties) {
+            mProperties = properties;
+            return this;
+        }
+
+        public ParcelableCallBuilder setSupportedAudioRoutes(int supportedAudioRoutes) {
+            mSupportedAudioRoutes = supportedAudioRoutes;
+            return this;
+        }
+
+        public ParcelableCallBuilder setConnectTimeMillis(long connectTimeMillis) {
+            mConnectTimeMillis = connectTimeMillis;
+            return this;
+        }
+
+        public ParcelableCallBuilder setHandle(Uri handle) {
+            mHandle = handle;
+            return this;
+        }
+
+        public ParcelableCallBuilder setHandlePresentation(int handlePresentation) {
+            mHandlePresentation = handlePresentation;
+            return this;
+        }
+
+        public ParcelableCallBuilder setCallerDisplayName(String callerDisplayName) {
+            mCallerDisplayName = callerDisplayName;
+            return this;
+        }
+
+        public ParcelableCallBuilder setCallerDisplayNamePresentation(
+                int callerDisplayNamePresentation) {
+            mCallerDisplayNamePresentation = callerDisplayNamePresentation;
+            return this;
+        }
+
+        public ParcelableCallBuilder setGatewayInfo(GatewayInfo gatewayInfo) {
+            mGatewayInfo = gatewayInfo;
+            return this;
+        }
+
+        public ParcelableCallBuilder setAccountHandle(PhoneAccountHandle accountHandle) {
+            mAccountHandle = accountHandle;
+            return this;
+        }
+
+        public ParcelableCallBuilder setIsVideoCallProviderChanged(
+                boolean isVideoCallProviderChanged) {
+            mIsVideoCallProviderChanged = isVideoCallProviderChanged;
+            return this;
+        }
+
+        public ParcelableCallBuilder setVideoCallProvider(IVideoProvider videoCallProvider) {
+            mVideoCallProvider = videoCallProvider;
+            return this;
+        }
+
+        public ParcelableCallBuilder setIsRttCallChanged(boolean isRttCallChanged) {
+            mIsRttCallChanged = isRttCallChanged;
+            return this;
+        }
+
+        public ParcelableCallBuilder setRttCall(ParcelableRttCall rttCall) {
+            mRttCall = rttCall;
+            return this;
+        }
+
+        public ParcelableCallBuilder setParentCallId(String parentCallId) {
+            mParentCallId = parentCallId;
+            return this;
+        }
+
+        public ParcelableCallBuilder setChildCallIds(List<String> childCallIds) {
+            mChildCallIds = childCallIds;
+            return this;
+        }
+
+        public ParcelableCallBuilder setStatusHints(StatusHints statusHints) {
+            mStatusHints = statusHints;
+            return this;
+        }
+
+        public ParcelableCallBuilder setVideoState(int videoState) {
+            mVideoState = videoState;
+            return this;
+        }
+
+        public ParcelableCallBuilder setConferenceableCallIds(
+                List<String> conferenceableCallIds) {
+            mConferenceableCallIds = conferenceableCallIds;
+            return this;
+        }
+
+        public ParcelableCallBuilder setIntentExtras(Bundle intentExtras) {
+            mIntentExtras = intentExtras;
+            return this;
+        }
+
+        public ParcelableCallBuilder setExtras(Bundle extras) {
+            mExtras = extras;
+            return this;
+        }
+
+        public ParcelableCallBuilder setCreationTimeMillis(long creationTimeMillis) {
+            mCreationTimeMillis = creationTimeMillis;
+            return this;
+        }
+
+        public ParcelableCallBuilder setCallDirection(int callDirection) {
+            mCallDirection = callDirection;
+            return this;
+        }
+
+        public ParcelableCallBuilder setCallerNumberVerificationStatus(
+                int callerNumberVerificationStatus) {
+            mCallerNumberVerificationStatus = callerNumberVerificationStatus;
+            return this;
+        }
+
+        public ParcelableCallBuilder setContactDisplayName(String contactDisplayName) {
+            mContactDisplayName = contactDisplayName;
+            return this;
+        }
+
+        public ParcelableCallBuilder setActiveChildCallId(String activeChildCallId) {
+            mActiveChildCallId = activeChildCallId;
+            return this;
+        }
+
+        public ParcelableCall createParcelableCall() {
+            return new ParcelableCall(
+                    mId,
+                    mState,
+                    mDisconnectCause,
+                    mCannedSmsResponses,
+                    mCapabilities,
+                    mProperties,
+                    mSupportedAudioRoutes,
+                    mConnectTimeMillis,
+                    mHandle,
+                    mHandlePresentation,
+                    mCallerDisplayName,
+                    mCallerDisplayNamePresentation,
+                    mGatewayInfo,
+                    mAccountHandle,
+                    mIsVideoCallProviderChanged,
+                    mVideoCallProvider,
+                    mIsRttCallChanged,
+                    mRttCall,
+                    mParentCallId,
+                    mChildCallIds,
+                    mStatusHints,
+                    mVideoState,
+                    mConferenceableCallIds,
+                    mIntentExtras,
+                    mExtras,
+                    mCreationTimeMillis,
+                    mCallDirection,
+                    mCallerNumberVerificationStatus,
+                    mContactDisplayName,
+                    mActiveChildCallId);
+        }
+
+        public static ParcelableCallBuilder fromParcelableCall(ParcelableCall parcelableCall) {
+            ParcelableCallBuilder newBuilder = new ParcelableCallBuilder();
+            newBuilder.mId = parcelableCall.mId;
+            newBuilder.mState = parcelableCall.mState;
+            newBuilder.mDisconnectCause = parcelableCall.mDisconnectCause;
+            newBuilder.mCannedSmsResponses = parcelableCall.mCannedSmsResponses;
+            newBuilder.mCapabilities = parcelableCall.mCapabilities;
+            newBuilder.mProperties = parcelableCall.mProperties;
+            newBuilder.mSupportedAudioRoutes = parcelableCall.mSupportedAudioRoutes;
+            newBuilder.mConnectTimeMillis = parcelableCall.mConnectTimeMillis;
+            newBuilder.mHandle = parcelableCall.mHandle;
+            newBuilder.mHandlePresentation = parcelableCall.mHandlePresentation;
+            newBuilder.mCallerDisplayName = parcelableCall.mCallerDisplayName;
+            newBuilder.mCallerDisplayNamePresentation =
+                    parcelableCall.mCallerDisplayNamePresentation;
+            newBuilder.mGatewayInfo = parcelableCall.mGatewayInfo;
+            newBuilder.mAccountHandle = parcelableCall.mAccountHandle;
+            newBuilder.mIsVideoCallProviderChanged = parcelableCall.mIsVideoCallProviderChanged;
+            newBuilder.mVideoCallProvider = parcelableCall.mVideoCallProvider;
+            newBuilder.mIsRttCallChanged = parcelableCall.mIsRttCallChanged;
+            newBuilder.mRttCall = parcelableCall.mRttCall;
+            newBuilder.mParentCallId = parcelableCall.mParentCallId;
+            newBuilder.mChildCallIds = parcelableCall.mChildCallIds;
+            newBuilder.mStatusHints = parcelableCall.mStatusHints;
+            newBuilder.mVideoState = parcelableCall.mVideoState;
+            newBuilder.mConferenceableCallIds = parcelableCall.mConferenceableCallIds;
+            newBuilder.mIntentExtras = parcelableCall.mIntentExtras;
+            newBuilder.mExtras = parcelableCall.mExtras;
+            newBuilder.mCreationTimeMillis = parcelableCall.mCreationTimeMillis;
+            newBuilder.mCallDirection = parcelableCall.mCallDirection;
+            newBuilder.mCallerNumberVerificationStatus =
+                    parcelableCall.mCallerNumberVerificationStatus;
+            newBuilder.mContactDisplayName = parcelableCall.mContactDisplayName;
+            newBuilder.mActiveChildCallId = parcelableCall.mActiveChildCallId;
+            return newBuilder;
+        }
+    }
+
     private final String mId;
     private final int mState;
     private final DisconnectCause mDisconnectCause;
@@ -65,6 +325,8 @@
     private final long mCreationTimeMillis;
     private final int mCallDirection;
     private final int mCallerNumberVerificationStatus;
+    private final String mContactDisplayName;
+    private final String mActiveChildCallId; // Only valid for CDMA conferences
 
     public ParcelableCall(
             String id,
@@ -94,7 +356,10 @@
             Bundle extras,
             long creationTimeMillis,
             int callDirection,
-            int callerNumberVerificationStatus) {
+            int callerNumberVerificationStatus,
+            String contactDisplayName,
+            String activeChildCallId
+    ) {
         mId = id;
         mState = state;
         mDisconnectCause = disconnectCause;
@@ -123,6 +388,8 @@
         mCreationTimeMillis = creationTimeMillis;
         mCallDirection = callDirection;
         mCallerNumberVerificationStatus = callerNumberVerificationStatus;
+        mContactDisplayName = contactDisplayName;
+        mActiveChildCallId = activeChildCallId;
     }
 
     /** The unique ID of the call. */
@@ -332,6 +599,21 @@
         return mCallerNumberVerificationStatus;
     }
 
+    /**
+     * @return the name of the remote party as derived from a contacts DB lookup.
+     */
+    public @Nullable String getContactDisplayName() {
+        return mContactDisplayName;
+    }
+
+    /**
+     * @return On a CDMA conference with two participants, returns the ID of the child call that's
+     *         currently active.
+     */
+    public @Nullable String getActiveChildCallId() {
+        return mActiveChildCallId;
+    }
+
     /** Responsible for creating ParcelableCall objects for deserialized Parcels. */
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
     public static final @android.annotation.NonNull Parcelable.Creator<ParcelableCall> CREATOR =
@@ -371,35 +653,40 @@
             long creationTimeMillis = source.readLong();
             int callDirection = source.readInt();
             int callerNumberVerificationStatus = source.readInt();
-            return new ParcelableCall(
-                    id,
-                    state,
-                    disconnectCause,
-                    cannedSmsResponses,
-                    capabilities,
-                    properties,
-                    supportedAudioRoutes,
-                    connectTimeMillis,
-                    handle,
-                    handlePresentation,
-                    callerDisplayName,
-                    callerDisplayNamePresentation,
-                    gatewayInfo,
-                    accountHandle,
-                    isVideoCallProviderChanged,
-                    videoCallProvider,
-                    isRttCallChanged,
-                    rttCall,
-                    parentCallId,
-                    childCallIds,
-                    statusHints,
-                    videoState,
-                    conferenceableCallIds,
-                    intentExtras,
-                    extras,
-                    creationTimeMillis,
-                    callDirection,
-                    callerNumberVerificationStatus);
+            String contactDisplayName = source.readString();
+            String activeChildCallId = source.readString();
+            return new ParcelableCallBuilder()
+                    .setId(id)
+                    .setState(state)
+                    .setDisconnectCause(disconnectCause)
+                    .setCannedSmsResponses(cannedSmsResponses)
+                    .setCapabilities(capabilities)
+                    .setProperties(properties)
+                    .setSupportedAudioRoutes(supportedAudioRoutes)
+                    .setConnectTimeMillis(connectTimeMillis)
+                    .setHandle(handle)
+                    .setHandlePresentation(handlePresentation)
+                    .setCallerDisplayName(callerDisplayName)
+                    .setCallerDisplayNamePresentation(callerDisplayNamePresentation)
+                    .setGatewayInfo(gatewayInfo)
+                    .setAccountHandle(accountHandle)
+                    .setIsVideoCallProviderChanged(isVideoCallProviderChanged)
+                    .setVideoCallProvider(videoCallProvider)
+                    .setIsRttCallChanged(isRttCallChanged)
+                    .setRttCall(rttCall)
+                    .setParentCallId(parentCallId)
+                    .setChildCallIds(childCallIds)
+                    .setStatusHints(statusHints)
+                    .setVideoState(videoState)
+                    .setConferenceableCallIds(conferenceableCallIds)
+                    .setIntentExtras(intentExtras)
+                    .setExtras(extras)
+                    .setCreationTimeMillis(creationTimeMillis)
+                    .setCallDirection(callDirection)
+                    .setCallerNumberVerificationStatus(callerNumberVerificationStatus)
+                    .setContactDisplayName(contactDisplayName)
+                    .setActiveChildCallId(activeChildCallId)
+                    .createParcelableCall();
         }
 
         @Override
@@ -446,6 +733,8 @@
         destination.writeLong(mCreationTimeMillis);
         destination.writeInt(mCallDirection);
         destination.writeInt(mCallerNumberVerificationStatus);
+        destination.writeString(mContactDisplayName);
+        destination.writeString(mActiveChildCallId);
     }
 
     @Override
diff --git a/telephony/java/android/telephony/BarringInfo.aidl b/telephony/java/android/telephony/BarringInfo.aidl
new file mode 100644
index 0000000..50ddf6b
--- /dev/null
+++ b/telephony/java/android/telephony/BarringInfo.aidl
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/** @hide */
+package android.telephony;
+
+parcelable BarringInfo;
diff --git a/telephony/java/android/telephony/BarringInfo.java b/telephony/java/android/telephony/BarringInfo.java
new file mode 100644
index 0000000..5419c3c
--- /dev/null
+++ b/telephony/java/android/telephony/BarringInfo.java
@@ -0,0 +1,398 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.telephony;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SuppressLint;
+import android.annotation.SystemApi;
+import android.annotation.TestApi;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.SparseArray;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Provides the barring configuration for a particular service type.
+ *
+ * Provides indication about the barring of a particular service for use. Certain barring types
+ * are only valid for certain technology families. Any service that does not have a barring
+ * configuration is unbarred by default.
+ */
+public final class BarringInfo implements Parcelable {
+
+    /**
+     * Barring Service Type
+     *
+     * @hide
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(prefix = "BARRING_SERVICE_TYPE_", value = {
+            BARRING_SERVICE_TYPE_CS_SERVICE,
+            BARRING_SERVICE_TYPE_PS_SERVICE,
+            BARRING_SERVICE_TYPE_CS_VOICE,
+            BARRING_SERVICE_TYPE_MO_SIGNALLING,
+            BARRING_SERVICE_TYPE_MO_DATA,
+            BARRING_SERVICE_TYPE_CS_FALLBACK,
+            BARRING_SERVICE_TYPE_MMTEL_VOICE,
+            BARRING_SERVICE_TYPE_MMTEL_VIDEO,
+            BARRING_SERVICE_TYPE_EMERGENCY,
+            BARRING_SERVICE_TYPE_SMS})
+    public @interface BarringServiceType {}
+
+    /* Applicabe to UTRAN */
+    /** Barring indicator for circuit-switched service; applicable to UTRAN */
+    public static final int BARRING_SERVICE_TYPE_CS_SERVICE =
+            android.hardware.radio.V1_5.BarringServiceType.CS_SERVICE;
+    /** Barring indicator for packet-switched service; applicable to UTRAN */
+    public static final int BARRING_SERVICE_TYPE_PS_SERVICE =
+            android.hardware.radio.V1_5.BarringServiceType.PS_SERVICE;
+    /** Barring indicator for circuit-switched voice service; applicable to UTRAN */
+    public static final int BARRING_SERVICE_TYPE_CS_VOICE =
+            android.hardware.radio.V1_5.BarringServiceType.CS_VOICE;
+
+    /* Applicable to EUTRAN, NGRAN */
+    /** Barring indicator for mobile-originated signalling; applicable to EUTRAN and NGRAN */
+    public static final int BARRING_SERVICE_TYPE_MO_SIGNALLING =
+            android.hardware.radio.V1_5.BarringServiceType.MO_SIGNALLING;
+    /** Barring indicator for mobile-originated data traffic; applicable to EUTRAN and NGRAN */
+    public static final int BARRING_SERVICE_TYPE_MO_DATA =
+            android.hardware.radio.V1_5.BarringServiceType.MO_DATA;
+    /** Barring indicator for circuit-switched fallback for voice; applicable to EUTRAN and NGRAN */
+    public static final int BARRING_SERVICE_TYPE_CS_FALLBACK =
+            android.hardware.radio.V1_5.BarringServiceType.CS_FALLBACK;
+    /** Barring indicator for MMTEL (IMS) voice; applicable to EUTRAN and NGRAN */
+    public static final int BARRING_SERVICE_TYPE_MMTEL_VOICE =
+            android.hardware.radio.V1_5.BarringServiceType.MMTEL_VOICE;
+    /** Barring indicator for MMTEL (IMS) video; applicable to EUTRAN and NGRAN */
+    public static final int BARRING_SERVICE_TYPE_MMTEL_VIDEO =
+            android.hardware.radio.V1_5.BarringServiceType.MMTEL_VIDEO;
+
+    /* Applicable to UTRAN, EUTRAN, NGRAN */
+    /** Barring indicator for emergency services; applicable to UTRAN, EUTRAN, and NGRAN */
+    public static final int BARRING_SERVICE_TYPE_EMERGENCY =
+            android.hardware.radio.V1_5.BarringServiceType.EMERGENCY;
+    /** Barring indicator for SMS sending; applicable to UTRAN, EUTRAN, and NGRAN */
+    public static final int BARRING_SERVICE_TYPE_SMS =
+            android.hardware.radio.V1_5.BarringServiceType.SMS;
+
+    //TODO: add barring constants for Operator-Specific barring codes
+
+    /** Describe the current barring configuration of a cell */
+    public static final class BarringServiceInfo implements Parcelable {
+        /**
+         * Barring Type
+         * @hide
+         */
+        @Retention(RetentionPolicy.SOURCE)
+        @IntDef(prefix = "BARRING_TYPE_", value =
+                    {BARRING_TYPE_NONE,
+                    BARRING_TYPE_UNCONDITIONAL,
+                    BARRING_TYPE_CONDITIONAL,
+                    BARRING_TYPE_UNKNOWN})
+        public @interface BarringType {}
+
+        /** Barring is inactive */
+        public static final int BARRING_TYPE_NONE = android.hardware.radio.V1_5.BarringType.NONE;
+        /** The service is barred */
+        public static final int BARRING_TYPE_UNCONDITIONAL =
+                android.hardware.radio.V1_5.BarringType.UNCONDITIONAL;
+        /** The service may be barred based on additional factors */
+        public static final int BARRING_TYPE_CONDITIONAL =
+                android.hardware.radio.V1_5.BarringType.CONDITIONAL;
+
+        /** If a modem does not report barring info, then the barring type will be UNKNOWN */
+        public static final int BARRING_TYPE_UNKNOWN = -1;
+
+        private final @BarringType int mBarringType;
+
+        private final boolean mIsConditionallyBarred;
+        private final int mConditionalBarringFactor;
+        private final int mConditionalBarringTimeSeconds;
+
+        /** @hide */
+        public BarringServiceInfo(@BarringType int type) {
+            this(type, false, 0, 0);
+        }
+
+        /** @hide */
+        @TestApi
+        public BarringServiceInfo(@BarringType int barringType, boolean isConditionallyBarred,
+                int conditionalBarringFactor, int conditionalBarringTimeSeconds) {
+            mBarringType = barringType;
+            mIsConditionallyBarred = isConditionallyBarred;
+            mConditionalBarringFactor = conditionalBarringFactor;
+            mConditionalBarringTimeSeconds = conditionalBarringTimeSeconds;
+        }
+
+        public @BarringType int getBarringType() {
+            return mBarringType;
+        }
+
+        /**
+         * @return true if the conditional barring parameters have resulted in the service being
+         *         barred; false if the service has either not been evaluated for conditional
+         *         barring or has been evaluated and isn't barred.
+         */
+        public boolean isConditionallyBarred() {
+            return mIsConditionallyBarred;
+        }
+
+        /**
+         * @return the conditional barring factor as a percentage 0-100, which is the probability of
+         *         a random device being barred for the service type.
+         */
+        public int getConditionalBarringFactor() {
+            return mConditionalBarringFactor;
+        }
+
+        /**
+         * @return the conditional barring time seconds, which is the interval between successive
+         *         evaluations for conditional barring based on the barring factor.
+         */
+        @SuppressLint("MethodNameUnits")
+        public int getConditionalBarringTimeSeconds() {
+            return mConditionalBarringTimeSeconds;
+        }
+
+        /**
+         * Return whether a service is currently barred based on the BarringInfo
+         *
+         * @return true if the service is currently being barred, otherwise false
+         */
+        public boolean isBarred() {
+            return mBarringType == BarringServiceInfo.BARRING_TYPE_UNCONDITIONAL
+                    || (mBarringType == BarringServiceInfo.BARRING_TYPE_CONDITIONAL
+                            && mIsConditionallyBarred);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(mBarringType, mIsConditionallyBarred,
+                    mConditionalBarringFactor, mConditionalBarringTimeSeconds);
+        }
+
+        @Override
+        public boolean equals(Object rhs) {
+            if (!(rhs instanceof BarringServiceInfo)) return false;
+
+            BarringServiceInfo other = (BarringServiceInfo) rhs;
+            return mBarringType == other.mBarringType
+                    && mIsConditionallyBarred == other.mIsConditionallyBarred
+                    && mConditionalBarringFactor == other.mConditionalBarringFactor
+                    && mConditionalBarringTimeSeconds == other.mConditionalBarringTimeSeconds;
+        }
+
+        /** @hide */
+        public BarringServiceInfo(Parcel p) {
+            mBarringType = p.readInt();
+            mIsConditionallyBarred = p.readBoolean();
+            mConditionalBarringFactor = p.readInt();
+            mConditionalBarringTimeSeconds = p.readInt();
+        }
+
+        @Override
+        public void writeToParcel(@NonNull Parcel dest, int flags) {
+            dest.writeInt(mBarringType);
+            dest.writeBoolean(mIsConditionallyBarred);
+            dest.writeInt(mConditionalBarringFactor);
+            dest.writeInt(mConditionalBarringTimeSeconds);
+        }
+
+        /* @inheritDoc */
+        public static final @NonNull Parcelable.Creator<BarringServiceInfo> CREATOR =
+                new Parcelable.Creator<BarringServiceInfo>() {
+                    @Override
+                    public BarringServiceInfo createFromParcel(Parcel source) {
+                        return new BarringServiceInfo(source);
+                    }
+
+                    @Override
+                    public BarringServiceInfo[] newArray(int size) {
+                        return new BarringServiceInfo[size];
+                    }
+                };
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+    }
+
+    private CellIdentity mCellIdentity;
+
+    // A SparseArray potentially mapping each BarringService type to a BarringServiceInfo config
+    // that describes the current barring status of that particular service.
+    private SparseArray<BarringServiceInfo> mBarringServiceInfos;
+
+    /** @hide */
+    @TestApi
+    @SystemApi
+    public BarringInfo() {
+        mBarringServiceInfos = new SparseArray<>();
+    }
+
+    /**
+     * Constructor for new BarringInfo instances.
+     *
+     * @hide
+     */
+    @TestApi
+    public BarringInfo(@Nullable CellIdentity barringCellId,
+            @NonNull SparseArray<BarringServiceInfo> barringServiceInfos) {
+        mCellIdentity = barringCellId;
+        mBarringServiceInfos = barringServiceInfos;
+    }
+
+    /** @hide */
+    public static BarringInfo create(
+            @NonNull android.hardware.radio.V1_5.CellIdentity halBarringCellId,
+            @NonNull List<android.hardware.radio.V1_5.BarringInfo> halBarringInfos) {
+        CellIdentity ci = CellIdentity.create(halBarringCellId);
+        SparseArray<BarringServiceInfo> serviceInfos = new SparseArray<>();
+
+        for (android.hardware.radio.V1_5.BarringInfo halBarringInfo : halBarringInfos) {
+            if (halBarringInfo.type == android.hardware.radio.V1_5.BarringType.CONDITIONAL) {
+                if (halBarringInfo.typeSpecificInfo.getDiscriminator()
+                        != android.hardware.radio.V1_5.BarringTypeSpecificInfo
+                                .hidl_discriminator.conditionalBarringInfo) {
+                    // this is an error case where the barring info is conditional but the
+                    // conditional barring fields weren't included
+                    continue;
+                }
+                android.hardware.radio.V1_5.ConditionalBarringInfo conditionalInfo =
+                        halBarringInfo.typeSpecificInfo.conditionalBarringInfo();
+                serviceInfos.put(
+                        halBarringInfo.service, new BarringServiceInfo(
+                                halBarringInfo.type, // will always be CONDITIONAL here
+                                conditionalInfo.isBarred,
+                                conditionalInfo.barringFactor,
+                                conditionalInfo.barringTimeSeconds));
+            } else {
+                // Barring type is either NONE or UNCONDITIONAL
+                serviceInfos.put(
+                        halBarringInfo.service, new BarringServiceInfo(halBarringInfo.type,
+                                false, 0, 0));
+            }
+        }
+        return new BarringInfo(ci, serviceInfos);
+    }
+
+    /**
+     * Return whether a service is currently barred based on the BarringInfo
+     *
+     * @param service the service to be checked.
+     * @return true if the service is currently being barred, otherwise false
+     */
+    public boolean isServiceBarred(@BarringServiceType int service) {
+        BarringServiceInfo bsi = mBarringServiceInfos.get(service);
+        return bsi != null && (bsi.isBarred());
+    }
+
+    /**
+     * Get the BarringServiceInfo for a specified service.
+     *
+     * @return a BarringServiceInfo struct describing the current barring status for a service
+     */
+    public @NonNull BarringServiceInfo getBarringServiceInfo(@BarringServiceType int service) {
+        BarringServiceInfo bsi = mBarringServiceInfos.get(service);
+        // If barring is reported but not for a particular service, then we report the barring
+        // type as UNKNOWN; if the modem reports barring info but doesn't report for a particular
+        // service then we can safely assume that the service isn't barred (for instance because
+        // that particular service isn't applicable to the current RAN).
+        return (bsi != null) ? bsi : new BarringServiceInfo(
+                mBarringServiceInfos.size() > 0 ? BarringServiceInfo.BARRING_TYPE_NONE :
+                        BarringServiceInfo.BARRING_TYPE_UNKNOWN);
+    }
+
+    /** @hide */
+    @SystemApi
+    public @NonNull BarringInfo createLocationInfoSanitizedCopy() {
+        return new BarringInfo(mCellIdentity.sanitizeLocationInfo(), mBarringServiceInfos);
+    }
+
+    /** @hide */
+    public BarringInfo(Parcel p) {
+        mCellIdentity = p.readParcelable(CellIdentity.class.getClassLoader());
+        mBarringServiceInfos = p.readSparseArray(BarringServiceInfo.class.getClassLoader());
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeParcelable(mCellIdentity, flags);
+        dest.writeSparseArray(mBarringServiceInfos);
+    }
+
+    public static final @NonNull Parcelable.Creator<BarringInfo> CREATOR =
+            new Parcelable.Creator<BarringInfo>() {
+                @Override
+                public BarringInfo createFromParcel(Parcel source) {
+                    return new BarringInfo(source);
+                }
+
+                @Override
+                public BarringInfo[] newArray(int size) {
+                    return new BarringInfo[size];
+                }
+            };
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = mCellIdentity != null ? mCellIdentity.hashCode() : 7;
+        for (int i = 0; i < mBarringServiceInfos.size(); i++) {
+            hash = hash + 15 * mBarringServiceInfos.keyAt(i);
+            hash = hash + 31 * mBarringServiceInfos.valueAt(i).hashCode();
+        }
+        return hash;
+    }
+
+    @Override
+    public boolean equals(Object rhs) {
+        if (!(rhs instanceof BarringInfo)) return false;
+
+        BarringInfo bi = (BarringInfo) rhs;
+
+        if (hashCode() != bi.hashCode()) return false;
+
+        if (mBarringServiceInfos.size() != bi.mBarringServiceInfos.size()) return false;
+
+        for (int i = 0; i < mBarringServiceInfos.size(); i++) {
+            if (mBarringServiceInfos.keyAt(i) != bi.mBarringServiceInfos.keyAt(i)) return false;
+            if (!Objects.equals(mBarringServiceInfos.valueAt(i),
+                        bi.mBarringServiceInfos.valueAt(i))) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return "BarringInfo {mCellIdentity=" + mCellIdentity
+               + ", mBarringServiceInfos=" + mBarringServiceInfos + "}";
+    }
+}
diff --git a/telephony/java/android/telephony/ServiceState.java b/telephony/java/android/telephony/ServiceState.java
index ad8ac76..b8856bc 100644
--- a/telephony/java/android/telephony/ServiceState.java
+++ b/telephony/java/android/telephony/ServiceState.java
@@ -16,8 +16,6 @@
 
 package android.telephony;
 
-import com.android.telephony.Rlog;
-
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -36,6 +34,8 @@
 import android.telephony.NetworkRegistrationInfo.NRState;
 import android.text.TextUtils;
 
+import com.android.telephony.Rlog;
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
@@ -584,8 +584,8 @@
      */
     @DuplexMode
     public int getDuplexMode() {
-        // only support LTE duplex mode
-        if (!isLte(getRilDataRadioTechnology())) {
+        // support LTE/NR duplex mode
+        if (!isPsOnlyTech(getRilDataRadioTechnology())) {
             return DUPLEX_MODE_UNKNOWN;
         }
 
@@ -1718,9 +1718,10 @@
     }
 
     /** @hide */
-    public static boolean isLte(int radioTechnology) {
-        return radioTechnology == RIL_RADIO_TECHNOLOGY_LTE ||
-                radioTechnology == RIL_RADIO_TECHNOLOGY_LTE_CA;
+    public static boolean isPsOnlyTech(int radioTechnology) {
+        return radioTechnology == RIL_RADIO_TECHNOLOGY_LTE
+                || radioTechnology == RIL_RADIO_TECHNOLOGY_LTE_CA
+                || radioTechnology == RIL_RADIO_TECHNOLOGY_NR;
     }
 
     /** @hide */
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 2f0ea81..5e31c5a 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -7649,6 +7649,18 @@
             RILConstants.NETWORK_MODE_NR_LTE_TDSCDMA_CDMA_EVDO_GSM_WCDMA;
 
     /**
+     * The default preferred network mode constant.
+     *
+     * <p> This constant is used in case of nothing is set in
+     * TelephonyProperties#default_network().
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final int DEFAULT_PREFERRED_NETWORK_MODE =
+            RILConstants.DEFAULT_PREFERRED_NETWORK_MODE;
+
+    /**
      * Get the preferred network type.
      * Used for device configuration by some CDMA operators.
      *
@@ -10685,6 +10697,7 @@
      * {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}.
      *
      * @param enabled control enable or disable carrier data.
+     * @see #resetAllCarrierActions()
      * @hide
      */
     @SystemApi
@@ -10711,6 +10724,7 @@
      * {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}.
      *
      * @param enabled control enable or disable radio.
+     * @see #resetAllCarrierActions()
      * @hide
      */
     @SystemApi
@@ -10737,6 +10751,7 @@
      * {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}.
      *
      * @param report control start/stop reporting network status.
+     * @see #resetAllCarrierActions()
      * @hide
      */
     @SystemApi
diff --git a/telephony/java/com/android/internal/telephony/RILConstants.java b/telephony/java/com/android/internal/telephony/RILConstants.java
index 284544b..9ee26c2 100644
--- a/telephony/java/com/android/internal/telephony/RILConstants.java
+++ b/telephony/java/com/android/internal/telephony/RILConstants.java
@@ -233,11 +233,14 @@
     /** NR 5G, LTE, TD-SCDMA, CDMA, EVDO, GSM and WCDMA */
     int NETWORK_MODE_NR_LTE_TDSCDMA_CDMA_EVDO_GSM_WCDMA = 33;
 
+    /** Default preferred network mode */
+    int DEFAULT_PREFERRED_NETWORK_MODE = NETWORK_MODE_WCDMA_PREF;
+
     @UnsupportedAppUsage
     int PREFERRED_NETWORK_MODE = Optional.of(TelephonyProperties.default_network())
             .filter(list -> !list.isEmpty())
             .map(list -> list.get(0))
-            .orElse(NETWORK_MODE_WCDMA_PREF);
+            .orElse(DEFAULT_PREFERRED_NETWORK_MODE);
 
     int BAND_MODE_UNSPECIFIED = 0;      //"unspecified" (selected by baseband automatically)
     int BAND_MODE_EURO = 1;             //"EURO band" (GSM-900 / DCS-1800 / WCDMA-IMT-2000)
@@ -555,4 +558,5 @@
     int RIL_UNSOL_EMERGENCY_NUMBER_LIST = 1102;
     int RIL_UNSOL_UICC_APPLICATIONS_ENABLEMENT_CHANGED = 1103;
     int RIL_UNSOL_REGISTRATION_FAILED = 1104;
+    int RIL_UNSOL_BARRING_INFO_CHANGED = 1105;
 }
diff --git a/wifi/Android.bp b/wifi/Android.bp
index 70c9bef..791da30 100644
--- a/wifi/Android.bp
+++ b/wifi/Android.bp
@@ -97,7 +97,6 @@
     },
     hostdex: true, // for hiddenapi check
     visibility: [
-        "//frameworks/base", // TODO(b/140299412) remove once all dependencies are fixed
         "//frameworks/opt/net/wifi/service:__subpackages__",
     ] + test_access_hidden_api_whitelist,
     apex_available: [
diff --git a/wifi/java/android/net/wifi/WifiConfiguration.java b/wifi/java/android/net/wifi/WifiConfiguration.java
index d4fd903..a9621fc 100644
--- a/wifi/java/android/net/wifi/WifiConfiguration.java
+++ b/wifi/java/android/net/wifi/WifiConfiguration.java
@@ -373,7 +373,6 @@
      * ECDHE_ECDSA
      * ECDHE_RSA
      * </pre>
-     * @hide
      */
     public static class SuiteBCipher {
         private SuiteBCipher() { }