Merge "DocsUI: Switch the launcher icon to Downloads." into nyc-dev
diff --git a/api/current.txt b/api/current.txt
index 38d2a03..8a83024 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -17760,9 +17760,6 @@
     method public android.icu.text.UnicodeSet addAll(java.lang.Iterable<?>);
     method public android.icu.text.UnicodeSet addAll(T...);
     method public T addAllTo(T);
-    method public java.lang.String[] addAllTo(java.lang.String[]);
-    method public static U addAllTo(java.lang.Iterable<T>, U);
-    method public static T[] addAllTo(java.lang.Iterable<T>, T[]);
     method public void addMatchSetTo(android.icu.text.UnicodeSet);
     method public android.icu.text.UnicodeSet applyIntPropertyValue(int, int);
     method public final android.icu.text.UnicodeSet applyPattern(java.lang.String);
@@ -17776,10 +17773,6 @@
     method public android.icu.text.UnicodeSet cloneAsThawed();
     method public android.icu.text.UnicodeSet closeOver(int);
     method public android.icu.text.UnicodeSet compact();
-    method public static int compare(java.lang.CharSequence, int);
-    method public static int compare(int, java.lang.CharSequence);
-    method public static int compare(java.lang.Iterable<T>, java.lang.Iterable<T>);
-    method public static int compare(java.util.Collection<T>, java.util.Collection<T>, android.icu.text.UnicodeSet.ComparisonStyle);
     method public int compareTo(android.icu.text.UnicodeSet);
     method public int compareTo(android.icu.text.UnicodeSet, android.icu.text.UnicodeSet.ComparisonStyle);
     method public int compareTo(java.lang.Iterable<java.lang.String>);
@@ -17822,7 +17815,6 @@
     method public android.icu.text.UnicodeSet removeAll(android.icu.text.UnicodeSet);
     method public android.icu.text.UnicodeSet removeAll(java.lang.Iterable<T>);
     method public final android.icu.text.UnicodeSet removeAllStrings();
-    method public static boolean resemblesPattern(java.lang.String, int);
     method public android.icu.text.UnicodeSet retain(int, int);
     method public final android.icu.text.UnicodeSet retain(int);
     method public final android.icu.text.UnicodeSet retain(java.lang.CharSequence);
@@ -17837,7 +17829,6 @@
     method public int spanBack(java.lang.CharSequence, android.icu.text.UnicodeSet.SpanCondition);
     method public int spanBack(java.lang.CharSequence, int, android.icu.text.UnicodeSet.SpanCondition);
     method public java.util.Collection<java.lang.String> strings();
-    method public static java.lang.String[] toArray(android.icu.text.UnicodeSet);
     method public java.lang.String toPattern(boolean);
     field public static final int ADD_CASE_MAPPINGS = 4; // 0x4
     field public static final android.icu.text.UnicodeSet ALL_CODE_POINTS;
@@ -17956,11 +17947,8 @@
     ctor protected CECalendar(int, int, int);
     ctor protected CECalendar(java.util.Date);
     ctor protected CECalendar(int, int, int, int, int, int);
-    method public static int ceToJD(long, int, int, int);
-    method protected abstract int getJDEpochOffset();
     method protected int handleComputeMonthStart(int, int, boolean);
     method protected int handleGetLimit(int, int);
-    method public static void jdToCE(int, int, int[]);
   }
 
   public abstract class Calendar implements java.lang.Cloneable java.lang.Comparable java.io.Serializable {
@@ -18188,7 +18176,6 @@
     ctor public CopticCalendar(int, int, int);
     ctor public CopticCalendar(java.util.Date);
     ctor public CopticCalendar(int, int, int, int, int, int);
-    method protected deprecated int getJDEpochOffset();
     method protected deprecated int handleGetExtendedYear();
     field public static final int AMSHIR = 5; // 0x5
     field public static final int BABA = 1; // 0x1
@@ -18359,11 +18346,11 @@
     ctor public IslamicCalendar(java.util.Date);
     ctor public IslamicCalendar(int, int, int);
     ctor public IslamicCalendar(int, int, int, int, int, int);
+    method public android.icu.util.IslamicCalendar.CalculationType getCalculationType();
     method protected int handleComputeMonthStart(int, int, boolean);
     method protected int handleGetExtendedYear();
     method protected int handleGetLimit(int, int);
-    method public boolean isCivil();
-    method public void setCivil(boolean);
+    method public void setCalculationType(android.icu.util.IslamicCalendar.CalculationType);
     field public static final int DHU_AL_HIJJAH = 11; // 0xb
     field public static final int DHU_AL_QIDAH = 10; // 0xa
     field public static final int JUMADA_1 = 4; // 0x4
@@ -18801,7 +18788,6 @@
     method public int getMicro();
     method public int getMilli();
     method public int getMinor();
-    method public static void main(java.lang.String[]);
     field public static final android.icu.util.VersionInfo ICU_VERSION;
     field public static final android.icu.util.VersionInfo UCOL_BUILDER_VERSION;
     field public static final android.icu.util.VersionInfo UCOL_RUNTIME_VERSION;
diff --git a/api/system-current.txt b/api/system-current.txt
index d7977f0..2cad670 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -18932,9 +18932,6 @@
     method public android.icu.text.UnicodeSet addAll(java.lang.Iterable<?>);
     method public android.icu.text.UnicodeSet addAll(T...);
     method public T addAllTo(T);
-    method public java.lang.String[] addAllTo(java.lang.String[]);
-    method public static U addAllTo(java.lang.Iterable<T>, U);
-    method public static T[] addAllTo(java.lang.Iterable<T>, T[]);
     method public void addMatchSetTo(android.icu.text.UnicodeSet);
     method public android.icu.text.UnicodeSet applyIntPropertyValue(int, int);
     method public final android.icu.text.UnicodeSet applyPattern(java.lang.String);
@@ -18948,10 +18945,6 @@
     method public android.icu.text.UnicodeSet cloneAsThawed();
     method public android.icu.text.UnicodeSet closeOver(int);
     method public android.icu.text.UnicodeSet compact();
-    method public static int compare(java.lang.CharSequence, int);
-    method public static int compare(int, java.lang.CharSequence);
-    method public static int compare(java.lang.Iterable<T>, java.lang.Iterable<T>);
-    method public static int compare(java.util.Collection<T>, java.util.Collection<T>, android.icu.text.UnicodeSet.ComparisonStyle);
     method public int compareTo(android.icu.text.UnicodeSet);
     method public int compareTo(android.icu.text.UnicodeSet, android.icu.text.UnicodeSet.ComparisonStyle);
     method public int compareTo(java.lang.Iterable<java.lang.String>);
@@ -18994,7 +18987,6 @@
     method public android.icu.text.UnicodeSet removeAll(android.icu.text.UnicodeSet);
     method public android.icu.text.UnicodeSet removeAll(java.lang.Iterable<T>);
     method public final android.icu.text.UnicodeSet removeAllStrings();
-    method public static boolean resemblesPattern(java.lang.String, int);
     method public android.icu.text.UnicodeSet retain(int, int);
     method public final android.icu.text.UnicodeSet retain(int);
     method public final android.icu.text.UnicodeSet retain(java.lang.CharSequence);
@@ -19009,7 +19001,6 @@
     method public int spanBack(java.lang.CharSequence, android.icu.text.UnicodeSet.SpanCondition);
     method public int spanBack(java.lang.CharSequence, int, android.icu.text.UnicodeSet.SpanCondition);
     method public java.util.Collection<java.lang.String> strings();
-    method public static java.lang.String[] toArray(android.icu.text.UnicodeSet);
     method public java.lang.String toPattern(boolean);
     field public static final int ADD_CASE_MAPPINGS = 4; // 0x4
     field public static final android.icu.text.UnicodeSet ALL_CODE_POINTS;
@@ -19128,11 +19119,8 @@
     ctor protected CECalendar(int, int, int);
     ctor protected CECalendar(java.util.Date);
     ctor protected CECalendar(int, int, int, int, int, int);
-    method public static int ceToJD(long, int, int, int);
-    method protected abstract int getJDEpochOffset();
     method protected int handleComputeMonthStart(int, int, boolean);
     method protected int handleGetLimit(int, int);
-    method public static void jdToCE(int, int, int[]);
   }
 
   public abstract class Calendar implements java.lang.Cloneable java.lang.Comparable java.io.Serializable {
@@ -19360,7 +19348,6 @@
     ctor public CopticCalendar(int, int, int);
     ctor public CopticCalendar(java.util.Date);
     ctor public CopticCalendar(int, int, int, int, int, int);
-    method protected deprecated int getJDEpochOffset();
     method protected deprecated int handleGetExtendedYear();
     field public static final int AMSHIR = 5; // 0x5
     field public static final int BABA = 1; // 0x1
@@ -19531,11 +19518,11 @@
     ctor public IslamicCalendar(java.util.Date);
     ctor public IslamicCalendar(int, int, int);
     ctor public IslamicCalendar(int, int, int, int, int, int);
+    method public android.icu.util.IslamicCalendar.CalculationType getCalculationType();
     method protected int handleComputeMonthStart(int, int, boolean);
     method protected int handleGetExtendedYear();
     method protected int handleGetLimit(int, int);
-    method public boolean isCivil();
-    method public void setCivil(boolean);
+    method public void setCalculationType(android.icu.util.IslamicCalendar.CalculationType);
     field public static final int DHU_AL_HIJJAH = 11; // 0xb
     field public static final int DHU_AL_QIDAH = 10; // 0xa
     field public static final int JUMADA_1 = 4; // 0x4
@@ -19973,7 +19960,6 @@
     method public int getMicro();
     method public int getMilli();
     method public int getMinor();
-    method public static void main(java.lang.String[]);
     field public static final android.icu.util.VersionInfo ICU_VERSION;
     field public static final android.icu.util.VersionInfo UCOL_BUILDER_VERSION;
     field public static final android.icu.util.VersionInfo UCOL_RUNTIME_VERSION;
@@ -31658,6 +31644,7 @@
     method public android.os.Bundle getUserRestrictions(android.os.UserHandle);
     method public boolean hasUserRestriction(java.lang.String);
     method public boolean isManagedProfile();
+    method public boolean isManagedProfile(int);
     method public boolean isQuietModeEnabled(android.os.UserHandle);
     method public boolean isSystemUser();
     method public boolean isUserAGoat();
diff --git a/api/test-current.txt b/api/test-current.txt
index b48faca..d3a12ed 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -17770,9 +17770,6 @@
     method public android.icu.text.UnicodeSet addAll(java.lang.Iterable<?>);
     method public android.icu.text.UnicodeSet addAll(T...);
     method public T addAllTo(T);
-    method public java.lang.String[] addAllTo(java.lang.String[]);
-    method public static U addAllTo(java.lang.Iterable<T>, U);
-    method public static T[] addAllTo(java.lang.Iterable<T>, T[]);
     method public void addMatchSetTo(android.icu.text.UnicodeSet);
     method public android.icu.text.UnicodeSet applyIntPropertyValue(int, int);
     method public final android.icu.text.UnicodeSet applyPattern(java.lang.String);
@@ -17786,10 +17783,6 @@
     method public android.icu.text.UnicodeSet cloneAsThawed();
     method public android.icu.text.UnicodeSet closeOver(int);
     method public android.icu.text.UnicodeSet compact();
-    method public static int compare(java.lang.CharSequence, int);
-    method public static int compare(int, java.lang.CharSequence);
-    method public static int compare(java.lang.Iterable<T>, java.lang.Iterable<T>);
-    method public static int compare(java.util.Collection<T>, java.util.Collection<T>, android.icu.text.UnicodeSet.ComparisonStyle);
     method public int compareTo(android.icu.text.UnicodeSet);
     method public int compareTo(android.icu.text.UnicodeSet, android.icu.text.UnicodeSet.ComparisonStyle);
     method public int compareTo(java.lang.Iterable<java.lang.String>);
@@ -17832,7 +17825,6 @@
     method public android.icu.text.UnicodeSet removeAll(android.icu.text.UnicodeSet);
     method public android.icu.text.UnicodeSet removeAll(java.lang.Iterable<T>);
     method public final android.icu.text.UnicodeSet removeAllStrings();
-    method public static boolean resemblesPattern(java.lang.String, int);
     method public android.icu.text.UnicodeSet retain(int, int);
     method public final android.icu.text.UnicodeSet retain(int);
     method public final android.icu.text.UnicodeSet retain(java.lang.CharSequence);
@@ -17847,7 +17839,6 @@
     method public int spanBack(java.lang.CharSequence, android.icu.text.UnicodeSet.SpanCondition);
     method public int spanBack(java.lang.CharSequence, int, android.icu.text.UnicodeSet.SpanCondition);
     method public java.util.Collection<java.lang.String> strings();
-    method public static java.lang.String[] toArray(android.icu.text.UnicodeSet);
     method public java.lang.String toPattern(boolean);
     field public static final int ADD_CASE_MAPPINGS = 4; // 0x4
     field public static final android.icu.text.UnicodeSet ALL_CODE_POINTS;
@@ -17966,11 +17957,8 @@
     ctor protected CECalendar(int, int, int);
     ctor protected CECalendar(java.util.Date);
     ctor protected CECalendar(int, int, int, int, int, int);
-    method public static int ceToJD(long, int, int, int);
-    method protected abstract int getJDEpochOffset();
     method protected int handleComputeMonthStart(int, int, boolean);
     method protected int handleGetLimit(int, int);
-    method public static void jdToCE(int, int, int[]);
   }
 
   public abstract class Calendar implements java.lang.Cloneable java.lang.Comparable java.io.Serializable {
@@ -18198,7 +18186,6 @@
     ctor public CopticCalendar(int, int, int);
     ctor public CopticCalendar(java.util.Date);
     ctor public CopticCalendar(int, int, int, int, int, int);
-    method protected deprecated int getJDEpochOffset();
     method protected deprecated int handleGetExtendedYear();
     field public static final int AMSHIR = 5; // 0x5
     field public static final int BABA = 1; // 0x1
@@ -18369,11 +18356,11 @@
     ctor public IslamicCalendar(java.util.Date);
     ctor public IslamicCalendar(int, int, int);
     ctor public IslamicCalendar(int, int, int, int, int, int);
+    method public android.icu.util.IslamicCalendar.CalculationType getCalculationType();
     method protected int handleComputeMonthStart(int, int, boolean);
     method protected int handleGetExtendedYear();
     method protected int handleGetLimit(int, int);
-    method public boolean isCivil();
-    method public void setCivil(boolean);
+    method public void setCalculationType(android.icu.util.IslamicCalendar.CalculationType);
     field public static final int DHU_AL_HIJJAH = 11; // 0xb
     field public static final int DHU_AL_QIDAH = 10; // 0xa
     field public static final int JUMADA_1 = 4; // 0x4
@@ -18811,7 +18798,6 @@
     method public int getMicro();
     method public int getMilli();
     method public int getMinor();
-    method public static void main(java.lang.String[]);
     field public static final android.icu.util.VersionInfo ICU_VERSION;
     field public static final android.icu.util.VersionInfo UCOL_BUILDER_VERSION;
     field public static final android.icu.util.VersionInfo UCOL_RUNTIME_VERSION;
diff --git a/core/java/android/app/ApplicationPackageManager.java b/core/java/android/app/ApplicationPackageManager.java
index 5ef03d1..5b7dae6 100644
--- a/core/java/android/app/ApplicationPackageManager.java
+++ b/core/java/android/app/ApplicationPackageManager.java
@@ -1147,8 +1147,7 @@
     }
 
     private Drawable getManagedProfileIconForDensity(UserHandle user, int drawableId, int density) {
-        UserInfo userInfo = getUserInfo(user.getIdentifier());
-        if (userInfo != null && userInfo.isManagedProfile()) {
+        if (isManagedProfile(user.getIdentifier())) {
             return getDrawableForDensity(drawableId, density);
         }
         return null;
@@ -1156,8 +1155,7 @@
 
     @Override
     public CharSequence getUserBadgedLabel(CharSequence label, UserHandle user) {
-        UserInfo userInfo = getUserInfo(user.getIdentifier());
-        if (userInfo != null && userInfo.isManagedProfile()) {
+        if (isManagedProfile(user.getIdentifier())) {
             return Resources.getSystem().getString(
                     com.android.internal.R.string.managed_profile_label_badge, label);
         }
@@ -2259,17 +2257,16 @@
         return drawable;
     }
 
-    private int getBadgeResIdForUser(int userHandle) {
+    private int getBadgeResIdForUser(int userId) {
         // Return the framework-provided badge.
-        UserInfo userInfo = getUserInfo(userHandle);
-        if (userInfo != null && userInfo.isManagedProfile()) {
+        if (isManagedProfile(userId)) {
             return com.android.internal.R.drawable.ic_corp_icon_badge;
         }
         return 0;
     }
 
-    private UserInfo getUserInfo(int userHandle) {
-        return getUserManager().getUserInfo(userHandle);
+    private boolean isManagedProfile(int userId) {
+        return getUserManager().isManagedProfile(userId);
     }
 
     /** {@hide} */
diff --git a/core/java/android/os/Debug.java b/core/java/android/os/Debug.java
index f382241..55b107a 100644
--- a/core/java/android/os/Debug.java
+++ b/core/java/android/os/Debug.java
@@ -19,8 +19,11 @@
 import com.android.internal.util.FastPrintWriter;
 import com.android.internal.util.TypedProperties;
 
+import android.app.AppGlobals;
+import android.content.Context;
 import android.util.Log;
 
+import java.io.File;
 import java.io.FileDescriptor;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
@@ -100,14 +103,6 @@
      */
     private static final String DEFAULT_TRACE_BODY = "dmtrace";
     private static final String DEFAULT_TRACE_EXTENSION = ".trace";
-    private static class NoPreloadHolder {
-        private static final String DEFAULT_TRACE_PATH_PREFIX =
-                Environment.getLegacyExternalStorageDirectory().getPath() + "/";
-        private static final String DEFAULT_TRACE_FILE_PATH =
-                DEFAULT_TRACE_PATH_PREFIX + DEFAULT_TRACE_BODY
-                + DEFAULT_TRACE_EXTENSION;
-    }
-
 
     /**
      * This class is used to retrieved various statistics about the memory mappings for this
@@ -938,109 +933,171 @@
     }
 
     /**
-     * Start method tracing with default log name and buffer size. See <a
-href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Log Viewer</a> for
-     * information about reading these files. Call stopMethodTracing() to stop
-     * tracing.
+     * Start method tracing with default log name and buffer size.
+     * <p>
+     * By default, the trace file is called "dmtrace.trace" and it's placed
+     * under your package-specific directory on primary shared/external storage,
+     * as returned by {@link Context#getExternalFilesDir(String)}.
+     * <p>
+     * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview:
+     * A Graphical Log Viewer</a> for information about reading trace files.
+     * <p class="note">
+     * When method tracing is enabled, the VM will run more slowly than usual,
+     * so the timings from the trace files should only be considered in relative
+     * terms (e.g. was run #1 faster than run #2). The times for native methods
+     * will not change, so don't try to use this to compare the performance of
+     * interpreted and native implementations of the same method. As an
+     * alternative, consider using sampling-based method tracing via
+     * {@link #startMethodTracingSampling(String, int, int)} or "native" tracing
+     * in the emulator via {@link #startNativeTracing()}.
+     * </p>
      */
     public static void startMethodTracing() {
-        VMDebug.startMethodTracing(fixTraceName(null), 0, 0, false, 0);
+        VMDebug.startMethodTracing(fixTracePath(null), 0, 0, false, 0);
     }
 
     /**
-     * Start method tracing, specifying the trace log file name.  The trace
-     * file will be put under "/sdcard" unless an absolute path is given.
-     * See <a
-       href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Log Viewer</a> for
-     * information about reading trace files.
-     *
-     * @param traceName Name for the trace log file to create.
-     * If {@code traceName} is null, this value defaults to "/sdcard/dmtrace.trace".
-     * If the files already exist, they will be truncated.
-     * If the trace file given does not end in ".trace", it will be appended for you.
-     */
-    public static void startMethodTracing(String traceName) {
-        startMethodTracing(traceName, 0, 0);
-    }
-
-    /**
-     * Start method tracing, specifying the trace log file name and the
-     * buffer size. The trace files will be put under "/sdcard" unless an
-     * absolute path is given. See <a
-       href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Log Viewer</a> for
-     * information about reading trace files.
-     * @param traceName    Name for the trace log file to create.
-     * If {@code traceName} is null, this value defaults to "/sdcard/dmtrace.trace".
-     * If the files already exist, they will be truncated.
-     * If the trace file given does not end in ".trace", it will be appended for you.
-     *
-     * @param bufferSize    The maximum amount of trace data we gather. If not given, it defaults to 8MB.
-     */
-    public static void startMethodTracing(String traceName, int bufferSize) {
-        startMethodTracing(traceName, bufferSize, 0);
-    }
-
-    /**
-     * Start method tracing, specifying the trace log file name and the
-     * buffer size. The trace files will be put under "/sdcard" unless an
-     * absolute path is given. See <a
-       href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Log Viewer</a> for
-     * information about reading trace files.
-     *
+     * Start method tracing, specifying the trace log file path.
      * <p>
-     * When method tracing is enabled, the VM will run more slowly than
-     * usual, so the timings from the trace files should only be considered
-     * in relative terms (e.g. was run #1 faster than run #2).  The times
-     * for native methods will not change, so don't try to use this to
-     * compare the performance of interpreted and native implementations of the
-     * same method.  As an alternative, consider using sampling-based method
-     * tracing via {@link #startMethodTracingSampling(String, int, int)} or
-     * "native" tracing in the emulator via {@link #startNativeTracing()}.
+     * When a relative file path is given, the trace file will be placed under
+     * your package-specific directory on primary shared/external storage, as
+     * returned by {@link Context#getExternalFilesDir(String)}.
+     * <p>
+     * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview:
+     * A Graphical Log Viewer</a> for information about reading trace files.
+     * <p class="note">
+     * When method tracing is enabled, the VM will run more slowly than usual,
+     * so the timings from the trace files should only be considered in relative
+     * terms (e.g. was run #1 faster than run #2). The times for native methods
+     * will not change, so don't try to use this to compare the performance of
+     * interpreted and native implementations of the same method. As an
+     * alternative, consider using sampling-based method tracing via
+     * {@link #startMethodTracingSampling(String, int, int)} or "native" tracing
+     * in the emulator via {@link #startNativeTracing()}.
      * </p>
      *
-     * @param traceName    Name for the trace log file to create.
-     * If {@code traceName} is null, this value defaults to "/sdcard/dmtrace.trace".
-     * If the files already exist, they will be truncated.
-     * If the trace file given does not end in ".trace", it will be appended for you.
-     * @param bufferSize    The maximum amount of trace data we gather. If not given, it defaults to 8MB.
-     * @param flags    Flags to control method tracing. The only one that is currently defined is {@link #TRACE_COUNT_ALLOCS}.
+     * @param tracePath Path to the trace log file to create. If {@code null},
+     *            this will default to "dmtrace.trace". If the file already
+     *            exists, it will be truncated. If the path given does not end
+     *            in ".trace", it will be appended for you.
      */
-    public static void startMethodTracing(String traceName, int bufferSize,
-        int flags) {
-        VMDebug.startMethodTracing(fixTraceName(traceName), bufferSize, flags, false, 0);
+    public static void startMethodTracing(String tracePath) {
+        startMethodTracing(tracePath, 0, 0);
+    }
+
+    /**
+     * Start method tracing, specifying the trace log file name and the buffer
+     * size.
+     * <p>
+     * When a relative file path is given, the trace file will be placed under
+     * your package-specific directory on primary shared/external storage, as
+     * returned by {@link Context#getExternalFilesDir(String)}.
+     * <p>
+     * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview:
+     * A Graphical Log Viewer</a> for information about reading trace files.
+     * <p class="note">
+     * When method tracing is enabled, the VM will run more slowly than usual,
+     * so the timings from the trace files should only be considered in relative
+     * terms (e.g. was run #1 faster than run #2). The times for native methods
+     * will not change, so don't try to use this to compare the performance of
+     * interpreted and native implementations of the same method. As an
+     * alternative, consider using sampling-based method tracing via
+     * {@link #startMethodTracingSampling(String, int, int)} or "native" tracing
+     * in the emulator via {@link #startNativeTracing()}.
+     * </p>
+     *
+     * @param tracePath Path to the trace log file to create. If {@code null},
+     *            this will default to "dmtrace.trace". If the file already
+     *            exists, it will be truncated. If the path given does not end
+     *            in ".trace", it will be appended for you.
+     * @param bufferSize The maximum amount of trace data we gather. If not
+     *            given, it defaults to 8MB.
+     */
+    public static void startMethodTracing(String tracePath, int bufferSize) {
+        startMethodTracing(tracePath, bufferSize, 0);
+    }
+
+    /**
+     * Start method tracing, specifying the trace log file name, the buffer
+     * size, and flags.
+     * <p>
+     * When a relative file path is given, the trace file will be placed under
+     * your package-specific directory on primary shared/external storage, as
+     * returned by {@link Context#getExternalFilesDir(String)}.
+     * <p>
+     * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview:
+     * A Graphical Log Viewer</a> for information about reading trace files.
+     * <p class="note">
+     * When method tracing is enabled, the VM will run more slowly than usual,
+     * so the timings from the trace files should only be considered in relative
+     * terms (e.g. was run #1 faster than run #2). The times for native methods
+     * will not change, so don't try to use this to compare the performance of
+     * interpreted and native implementations of the same method. As an
+     * alternative, consider using sampling-based method tracing via
+     * {@link #startMethodTracingSampling(String, int, int)} or "native" tracing
+     * in the emulator via {@link #startNativeTracing()}.
+     * </p>
+     *
+     * @param tracePath Path to the trace log file to create. If {@code null},
+     *            this will default to "dmtrace.trace". If the file already
+     *            exists, it will be truncated. If the path given does not end
+     *            in ".trace", it will be appended for you.
+     * @param bufferSize The maximum amount of trace data we gather. If not
+     *            given, it defaults to 8MB.
+     * @param flags Flags to control method tracing. The only one that is
+     *            currently defined is {@link #TRACE_COUNT_ALLOCS}.
+     */
+    public static void startMethodTracing(String tracePath, int bufferSize, int flags) {
+        VMDebug.startMethodTracing(fixTracePath(tracePath), bufferSize, flags, false, 0);
     }
 
     /**
      * Start sampling-based method tracing, specifying the trace log file name,
-     * the buffer size, and the sampling interval. The trace files will be put
-     * under "/sdcard" unless an absolute path is given. See <a
-       href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Log Viewer</a>
-     * for information about reading trace files.
+     * the buffer size, and the sampling interval.
+     * <p>
+     * When a relative file path is given, the trace file will be placed under
+     * your package-specific directory on primary shared/external storage, as
+     * returned by {@link Context#getExternalFilesDir(String)}.
+     * <p>
+     * See <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview:
+     * A Graphical Log Viewer</a> for information about reading trace files.
      *
-     * @param traceName    Name for the trace log file to create.
-     * If {@code traceName} is null, this value defaults to "/sdcard/dmtrace.trace".
-     * If the files already exist, they will be truncated.
-     * If the trace file given does not end in ".trace", it will be appended for you.
-     * @param bufferSize    The maximum amount of trace data we gather. If not given, it defaults to 8MB.
-     * @param intervalUs    The amount of time between each sample in microseconds.
+     * @param tracePath Path to the trace log file to create. If {@code null},
+     *            this will default to "dmtrace.trace". If the file already
+     *            exists, it will be truncated. If the path given does not end
+     *            in ".trace", it will be appended for you.
+     * @param bufferSize The maximum amount of trace data we gather. If not
+     *            given, it defaults to 8MB.
+     * @param intervalUs The amount of time between each sample in microseconds.
      */
-    public static void startMethodTracingSampling(String traceName,
-        int bufferSize, int intervalUs) {
-        VMDebug.startMethodTracing(fixTraceName(traceName), bufferSize, 0, true, intervalUs);
+    public static void startMethodTracingSampling(String tracePath, int bufferSize,
+            int intervalUs) {
+        VMDebug.startMethodTracing(fixTracePath(tracePath), bufferSize, 0, true, intervalUs);
     }
-
+    
     /**
      * Formats name of trace log file for method tracing.
      */
-    private static String fixTraceName(String traceName) {
-        if (traceName == null)
-            traceName = NoPreloadHolder.DEFAULT_TRACE_FILE_PATH;
-        if (traceName.charAt(0) != '/')
-            traceName = NoPreloadHolder.DEFAULT_TRACE_PATH_PREFIX + traceName;
-        if (!traceName.endsWith(DEFAULT_TRACE_EXTENSION))
-            traceName = traceName + DEFAULT_TRACE_EXTENSION;
+    private static String fixTracePath(String tracePath) {
+        if (tracePath == null || tracePath.charAt(0) != '/') {
+            final Context context = AppGlobals.getInitialApplication();
+            final File dir;
+            if (context != null) {
+                dir = context.getExternalFilesDir(null);
+            } else {
+                dir = Environment.getExternalStorageDirectory();
+            }
 
-        return traceName;
+            if (tracePath == null) {
+                tracePath = new File(dir, DEFAULT_TRACE_BODY).getAbsolutePath();
+            } else {
+                tracePath = new File(dir, tracePath).getAbsolutePath();
+            }
+        }
+        if (!tracePath.endsWith(DEFAULT_TRACE_EXTENSION)) {
+            tracePath += DEFAULT_TRACE_EXTENSION;
+        }
+        return tracePath;
     }
 
     /**
diff --git a/core/java/android/os/IUserManager.aidl b/core/java/android/os/IUserManager.aidl
index bc2566b..c38bf3c 100644
--- a/core/java/android/os/IUserManager.aidl
+++ b/core/java/android/os/IUserManager.aidl
@@ -76,4 +76,5 @@
     PersistableBundle getSeedAccountOptions();
     void clearSeedAccountData();
     boolean someUserHasSeedAccount(in String accountName, in String accountType);
+    boolean isManagedProfile(int userId);
 }
diff --git a/core/java/android/os/UserManager.java b/core/java/android/os/UserManager.java
index 0ff0154..707d5f5 100644
--- a/core/java/android/os/UserManager.java
+++ b/core/java/android/os/UserManager.java
@@ -822,8 +822,28 @@
      */
     @SystemApi
     public boolean isManagedProfile() {
-        UserInfo user = getUserInfo(UserHandle.myUserId());
-        return user != null ? user.isManagedProfile() : false;
+        try {
+            return mService.isManagedProfile(UserHandle.myUserId());
+        } catch (RemoteException re) {
+            throw re.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Checks if the specified user is a managed profile.
+     * Requires {@link android.Manifest.permission#MANAGE_USERS} permission, otherwise the caller
+     * must be in the same profile group of specified user.
+     *
+     * @return whether the specified user is a managed profile.
+     * @hide
+     */
+    @SystemApi
+    public boolean isManagedProfile(@UserIdInt int userId) {
+        try {
+            return mService.isManagedProfile(userId);
+        } catch (RemoteException re) {
+            throw re.rethrowFromSystemServer();
+        }
     }
 
     /**
@@ -964,8 +984,7 @@
 
     /**
      * Returns the UserInfo object describing a specific user.
-     * Requires {@link android.Manifest.permission#MANAGE_USERS} permission or the caller is
-     * in the same profile group of target user.
+     * Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
      * @param userHandle the user handle of the user whose information is being requested.
      * @return the UserInfo object for a specific user.
      * @hide
diff --git a/core/java/android/os/storage/VolumeInfo.java b/core/java/android/os/storage/VolumeInfo.java
index ea0597d..4b70649 100644
--- a/core/java/android/os/storage/VolumeInfo.java
+++ b/core/java/android/os/storage/VolumeInfo.java
@@ -438,6 +438,10 @@
         final Intent intent = new Intent(DocumentsContract.ACTION_BROWSE);
         intent.addCategory(Intent.CATEGORY_DEFAULT);
         intent.setData(uri);
+
+        // note that docsui treats this as *force* show advanced. So sending
+        // false permits advanced to be shown based on user preferences.
+        intent.putExtra(DocumentsContract.EXTRA_SHOW_ADVANCED, isPrimary());
         intent.putExtra(DocumentsContract.EXTRA_SHOW_FILESIZE, true);
         return intent;
     }
diff --git a/core/java/android/provider/DocumentsContract.java b/core/java/android/provider/DocumentsContract.java
index 4ad7969..4412459 100644
--- a/core/java/android/provider/DocumentsContract.java
+++ b/core/java/android/provider/DocumentsContract.java
@@ -93,6 +93,9 @@
     public static final String EXTRA_PACKAGE_NAME = "android.content.extra.PACKAGE_NAME";
 
     /** {@hide} */
+    public static final String EXTRA_SHOW_ADVANCED = "android.content.extra.SHOW_ADVANCED";
+
+    /** {@hide} */
     public static final String EXTRA_SHOW_FILESIZE = "android.content.extra.SHOW_FILESIZE";
 
     /** {@hide} */
@@ -556,13 +559,22 @@
         public static final int FLAG_EMPTY = 1 << 16;
 
         /**
+         * Flag indicating that this root should only be visible to advanced
+         * users.
+         *
+         * @see #COLUMN_FLAGS
+         * @hide
+         */
+        public static final int FLAG_ADVANCED = 1 << 17;
+
+        /**
          * Flag indicating that this root has settings.
          *
          * @see #COLUMN_FLAGS
          * @see DocumentsContract#ACTION_DOCUMENT_ROOT_SETTINGS
          * @hide
          */
-        public static final int FLAG_HAS_SETTINGS = 1 << 17;
+        public static final int FLAG_HAS_SETTINGS = 1 << 18;
 
         /**
          * Flag indicating that this root is on removable SD card storage.
@@ -570,7 +582,7 @@
          * @see #COLUMN_FLAGS
          * @hide
          */
-        public static final int FLAG_REMOVABLE_SD = 1 << 18;
+        public static final int FLAG_REMOVABLE_SD = 1 << 19;
 
         /**
          * Flag indicating that this root is on removable USB storage.
@@ -578,7 +590,7 @@
          * @see #COLUMN_FLAGS
          * @hide
          */
-        public static final int FLAG_REMOVABLE_USB = 1 << 19;
+        public static final int FLAG_REMOVABLE_USB = 1 << 20;
     }
 
     /**
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 30607dd..60f05448 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -417,6 +417,7 @@
     <protected-broadcast android:name="android.os.action.ACTION_EFFECTS_SUPPRESSOR_CHANGED" />
     <protected-broadcast android:name="android.os.action.LIGHT_DEVICE_IDLE_MODE_CHANGED" />
     <protected-broadcast android:name="android.os.storage.action.VOLUME_STATE_CHANGED" />
+    <protected-broadcast android:name="android.os.storage.action.DISK_SCANNED" />
     <protected-broadcast android:name="com.android.server.action.UPDATE_TWILIGHT_STATE" />
     <protected-broadcast android:name="com.android.server.device_idle.STEP_IDLE_STATE" />
     <protected-broadcast android:name="com.android.server.device_idle.STEP_LIGHT_IDLE_STATE" />
diff --git a/docs/html/guide/topics/data/data-storage.jd b/docs/html/guide/topics/data/data-storage.jd
index 46db371..0d3bb4d 100644
--- a/docs/html/guide/topics/data/data-storage.jd
+++ b/docs/html/guide/topics/data/data-storage.jd
@@ -178,6 +178,19 @@
 android.content.Context#MODE_WORLD_READABLE}, and {@link
 android.content.Context#MODE_WORLD_WRITEABLE}.</p>
 
+<p class="note"><strong>Note:</strong> The constants {@link
+android.content.Context#MODE_WORLD_READABLE} and {@link
+android.content.Context#MODE_WORLD_WRITEABLE} have been deprecated since API level 17. Since
+API level 24 their use will result in a {@link java.lang.SecurityException} to be thrown.
+This means that apps targeting API level 24 and higher
+cannot share private files by name, and attempts to share a "file://" URI will result in a
+{@link android.os.FileUriExposedException} to be thrown. If your app needs to share private
+files with other apps, it may use a {@link android.support.v4.content.FileProvider} with
+the {@link android.content.Intent.FLAG_GRANT_READ_URI_PERMISSION}.
+See also <a
+href="{@docRoot}training/secure-file-sharing/index.html">Sharing Files</a>.
+</p>
+
 <p>To read a file from internal storage:</p>
 
 <ol>
diff --git a/docs/html/training/basics/data-storage/files.jd b/docs/html/training/basics/data-storage/files.jd
index 49a9169..983d59a 100644
--- a/docs/html/training/basics/data-storage/files.jd
+++ b/docs/html/training/basics/data-storage/files.jd
@@ -59,7 +59,7 @@
 <p><b>Internal storage:</b></p>
 <ul>
 <li>It's always available.</li>
-<li>Files saved here are accessible by only your app by default.</li>
+<li>Files saved here are accessible by only your app.</li>
 <li>When the user uninstalls your app, the system removes all your app's files from
 internal storage.</li>
 </ul>
@@ -83,6 +83,12 @@
 with other apps or allow the user to access with a computer.</p>
 </div>
 
+<p class="note">
+<strong>Note:</strong> Before API level 24, internal files could be made accessible to other
+apps by means of relaxing file system permissions. This is no longer the case. If you wish
+to make the content of a private file accessible to other apps, your app may use the
+{@link android.support.v4.content.FileProvider}. See <a
+href="{@docRoot}training/secure-file-sharing/index.html">Sharing Files</a>.</p>
 
 <p class="note" style="clear:both">
 <strong>Tip:</strong> Although apps are installed onto the internal storage by
diff --git a/packages/DocumentsUI/Android.mk b/packages/DocumentsUI/Android.mk
index d5e48b5..3197abd 100644
--- a/packages/DocumentsUI/Android.mk
+++ b/packages/DocumentsUI/Android.mk
@@ -31,9 +31,13 @@
   --extra-packages android.support.v7.recyclerview
 
 LOCAL_JACK_FLAGS := \
-  -D jack.assert.policy=enable \
   -D jack.optimization.inner-class.accessors=true
 
+# Only enable asserts on userdebug/eng builds
+ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
+LOCAL_JACK_FLAGS += -D jack.assert.policy=enable
+endif
+
 LOCAL_PACKAGE_NAME := DocumentsUI
 LOCAL_CERTIFICATE := platform
 
diff --git a/packages/DocumentsUI/res/values/config.xml b/packages/DocumentsUI/res/values/config.xml
index ebb3969..408603e 100644
--- a/packages/DocumentsUI/res/values/config.xml
+++ b/packages/DocumentsUI/res/values/config.xml
@@ -24,5 +24,6 @@
     <!-- Indicates if the home directory should be hidden in the roots list, that is presented
          in the drawer/left side panel ) -->
     <bool name="home_root_hidden">true</bool>
-
+    <!-- Indicates if the advanced roots like internal storage should be hidden in the roots list) -->
+    <bool name="advanced_roots_hidden">true</bool>
 </resources>
diff --git a/packages/DocumentsUI/res/values/styles.xml b/packages/DocumentsUI/res/values/styles.xml
index a548d89..b16554c 100644
--- a/packages/DocumentsUI/res/values/styles.xml
+++ b/packages/DocumentsUI/res/values/styles.xml
@@ -36,6 +36,8 @@
         <item name="android:windowActionBar">false</item>
         <item name="android:windowActionModeOverlay">true</item>
         <item name="android:windowNoTitle">true</item>
+        <item name="android:windowTranslucentStatus">true</item>
+        <item name="android:fitsSystemWindows">false</item>
 
         <item name="android:windowSoftInputMode">stateUnspecified|adjustUnspecified</item>
     </style>
@@ -43,7 +45,7 @@
     <style name="TrimmedHorizontalProgressBar" parent="android:Widget.Material.ProgressBar.Horizontal">
         <item name="android:indeterminateDrawable">@drawable/progress_indeterminate_horizontal_material_trimmed</item>
         <item name="android:minHeight">3dp</item>
-        <item name="android:maxHeight">3dp</item>    
+        <item name="android:maxHeight">3dp</item>
     </style>
 
 </resources>
diff --git a/packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java b/packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java
index fe61094..3b300d0 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java
@@ -127,6 +127,7 @@
         mSearchManager = new SearchViewManager(this, icicle);
 
         DocumentsToolbar toolbar = (DocumentsToolbar) findViewById(R.id.toolbar);
+        Display.adjustToolbar(toolbar, this);
         setActionBar(toolbar);
         mNavigator = new NavigationView(
                 mDrawer,
diff --git a/packages/DocumentsUI/src/com/android/documentsui/Display.java b/packages/DocumentsUI/src/com/android/documentsui/Display.java
index bae2d58..d46a3ea 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/Display.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/Display.java
@@ -20,13 +20,15 @@
 import android.content.Context;
 import android.graphics.Point;
 import android.util.TypedValue;
+import android.view.WindowManager;
+import android.widget.Toolbar;
 
 /*
  * Convenience class for getting display related attributes
  */
 public final class Display {
     /*
-     * Returns the screen width in pixels.
+     * Returns the screen width in raw pixels.
      */
     public static float screenWidth(Activity activity) {
         Point size = new Point();
@@ -42,15 +44,44 @@
     }
 
     /*
-     * Returns action bar height in pixels.
+     * Returns action bar height in raw pixels.
      */
     public static float actionBarHeight(Context context) {
-        int actionBarHeight = 0;
+        int height = 0;
         TypedValue tv = new TypedValue();
         if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) {
-            actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,
+            height = TypedValue.complexToDimensionPixelSize(tv.data,
                     context.getResources().getDisplayMetrics());
         }
-        return actionBarHeight;
+        return height;
+    }
+
+    /*
+     * Returns status bar height in raw pixels.
+     */
+    private static int statusBarHeight(Context context) {
+        int height = 0;
+        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen",
+                "android");
+        if (resourceId > 0) {
+            height = context.getResources().getDimensionPixelSize(resourceId);
+        }
+        return height;
+    }
+
+    /*
+     * Adjusts toolbar for the layout with translucent status bar. Increases the
+     * height of the toolbar and adds padding at the top to accommodate status bar visible above
+     * toolbar.
+     */
+    public static void adjustToolbar(Toolbar toolbar, Activity activity) {
+        if ((activity.getWindow().getAttributes().flags
+                & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) != 0) {
+            int statusBarHeight = Display.statusBarHeight(activity);
+            toolbar.getLayoutParams().height = (int) (Display.actionBarHeight(activity)
+                    + statusBarHeight);
+            toolbar.setPadding(toolbar.getPaddingLeft(), statusBarHeight, toolbar.getPaddingRight(),
+                    toolbar.getPaddingBottom());
+        }
     }
 }
diff --git a/packages/DocumentsUI/src/com/android/documentsui/DrawerController.java b/packages/DocumentsUI/src/com/android/documentsui/DrawerController.java
index 020f2c0..2dbb730 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/DrawerController.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/DrawerController.java
@@ -55,7 +55,7 @@
 
         View drawer = activity.findViewById(R.id.drawer_roots);
         Toolbar toolbar = (Toolbar) activity.findViewById(R.id.roots_toolbar);
-
+        Display.adjustToolbar(toolbar, activity);
         drawer.getLayoutParams().width = calculateDrawerWidth(activity);
 
         ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
diff --git a/packages/DocumentsUI/src/com/android/documentsui/RootsFragment.java b/packages/DocumentsUI/src/com/android/documentsui/RootsFragment.java
index 54e6287..1864431 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/RootsFragment.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/RootsFragment.java
@@ -320,6 +320,8 @@
 
                 if (root.isHome() && isHomeRootHidden(context)) {
                     continue;
+                } else if (root.isAdvanced() && areAdvancedRootsHidden(context)) {
+                    continue;
                 } else if (root.isLibrary()) {
                     if (DEBUG) Log.d(TAG, "Adding " + root + " as library.");
                     libraries.add(item);
@@ -377,6 +379,13 @@
             return context.getResources().getBoolean(R.bool.home_root_hidden);
         }
 
+        /*
+         * Indicates if the advanced roots should be hidden.
+         */
+        private boolean areAdvancedRootsHidden(Context context) {
+            return context.getResources().getBoolean(R.bool.advanced_roots_hidden);
+        }
+
         @Override
         public View getView(int position, View convertView, ViewGroup parent) {
             final Item item = getItem(position);
diff --git a/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java b/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java
index 3960475..0709652 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java
@@ -298,6 +298,10 @@
         return (flags & Root.FLAG_SUPPORTS_SEARCH) != 0;
     }
 
+    public boolean isAdvanced() {
+        return (flags & Root.FLAG_ADVANCED) != 0;
+    }
+
     public boolean isLocalOnly() {
         return (flags & Root.FLAG_LOCAL_ONLY) != 0;
     }
diff --git a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
index 9a51b05..62f33bf 100644
--- a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
+++ b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
@@ -196,6 +196,7 @@
             if (volume.isPrimary()) {
                 // save off the primary volume for subsequent "Home" dir initialization.
                 primaryVolume = volume;
+                root.flags |= Root.FLAG_ADVANCED;
             }
             // Dunno when this would NOT be the case, but never hurts to be correct.
             if (volume.isMountedWritable()) {
diff --git a/packages/SettingsLib/res/values/strings.xml b/packages/SettingsLib/res/values/strings.xml
index 1aee490..a2a3fd3 100644
--- a/packages/SettingsLib/res/values/strings.xml
+++ b/packages/SettingsLib/res/values/strings.xml
@@ -793,4 +793,23 @@
     <!-- Label for length of time until battery is charged [CHAR LIMIT=20] -->
     <string name="remaining_length_format"><xliff:g name="time" example="3 hours">%1$s</xliff:g> left</string>
 
+    <!-- Hint text for the IP address -->
+    <string name="wifi_ip_address_hint" translatable="false">192.168.1.128</string>
+    <!-- Hint text for DNS -->
+    <string name="wifi_dns1_hint" translatable="false">8.8.8.8</string>
+    <!-- Hint text for DNS -->
+    <string name="wifi_dns2_hint" translatable="false">8.8.4.4</string>
+    <!-- Hint text for the gateway -->
+    <string name="wifi_gateway_hint" translatable="false">192.168.1.1</string>
+    <!-- Hint text for network prefix length -->
+    <string name="wifi_network_prefix_length_hint" translatable="false">24</string>
+    <!-- HTTP proxy settings. The hint text field for port. -->
+    <string name="proxy_port_hint" translatable="false">8080</string>
+    <!-- HTTP proxy settings. Hint for Proxy-Auto Config URL. -->
+    <string name="proxy_url_hint" translatable="false">https://www.example.com/proxy.pac</string>
+    <!-- HTTP proxy settings. The hint text for proxy exclusion list. -->
+    <string name="proxy_exclusionlist_hint" translatable="false">example.com,mycomp.test.com,localhost</string>
+    <!-- HTTP proxy settings. The hint text field for the hostname. -->
+    <string name="proxy_hostname_hint" translatable="false">proxy.example.com</string>
+
 </resources>
diff --git a/packages/Shell/src/com/android/shell/BugreportProgressService.java b/packages/Shell/src/com/android/shell/BugreportProgressService.java
index 7fae0ee..c9582ea 100644
--- a/packages/Shell/src/com/android/shell/BugreportProgressService.java
+++ b/packages/Shell/src/com/android/shell/BugreportProgressService.java
@@ -149,6 +149,10 @@
     // Passed to Message.obtain() when msg.arg2 is not used.
     private static final int UNUSED_ARG2 = -2;
 
+    // Maximum progress displayed (like 99.00%).
+    private static final int CAPPED_PROGRESS = 9900;
+    private static final int CAPPED_MAX = 10000;
+
     /**
      * Delay before a screenshot is taken.
      * <p>
@@ -427,7 +431,7 @@
         final NumberFormat nf = NumberFormat.getPercentInstance();
         nf.setMinimumFractionDigits(2);
         nf.setMaximumFractionDigits(2);
-        final String percentText = nf.format((double) info.progress / info.max);
+        final String percentageText = nf.format((double) info.progress / info.max);
         final Action cancelAction = new Action.Builder(null, mContext.getString(
                 com.android.internal.R.string.cancel), newCancelIntent(mContext, info)).build();
         final Intent infoIntent = new Intent(mContext, BugreportProgressService.class);
@@ -458,7 +462,7 @@
                 .setContentTitle(title)
                 .setTicker(title)
                 .setContentText(name)
-                .setContentInfo(percentText)
+                .setContentInfo(percentageText)
                 .setProgress(info.max, info.progress, false)
                 .setOngoing(true)
                 .setContentIntent(infoPendingIntent)
@@ -472,7 +476,7 @@
         }
         if (DEBUG) {
             Log.d(TAG, "Sending 'Progress' notification for id " + info.id + "(pid " + info.pid
-                    + "): " + percentText);
+                    + "): " + percentageText);
         }
         NotificationManager.from(mContext).notify(TAG, info.id, notification);
     }
@@ -545,25 +549,47 @@
             }
             activeProcesses++;
             final String progressKey = DUMPSTATE_PREFIX + pid + PROGRESS_SUFFIX;
-            final int progress = SystemProperties.getInt(progressKey, 0);
-            if (progress == 0) {
+            info.realProgress = SystemProperties.getInt(progressKey, 0);
+            if (info.realProgress == 0) {
                 Log.v(TAG, "System property " + progressKey + " is not set yet");
             }
-            final int max = SystemProperties.getInt(DUMPSTATE_PREFIX + pid + MAX_SUFFIX, 0);
-            final boolean maxChanged = max > 0 && max != info.max;
-            final boolean progressChanged = progress > 0 && progress != info.progress;
+            final String maxKey = DUMPSTATE_PREFIX + pid + MAX_SUFFIX;
+            info.realMax = SystemProperties.getInt(maxKey, info.max);
+            if (info.realMax <= 0 ) {
+                Log.w(TAG, "Property " + maxKey + " is not positive: " + info.max);
+                continue;
+            }
+            /*
+             * Checks whether the progress changed in a way that should be displayed to the user:
+             * - info.progress / info.max represents the displayed progress
+             * - info.realProgress / info.realMax represents the real progress
+             * - since the real progress can decrease, the displayed progress is only updated if it
+             *   increases
+             * - the displayed progress is capped at a maximum (like 99%)
+             */
+            final int oldPercentage = (CAPPED_MAX * info.progress) / info.max;
+            int newPercentage = (CAPPED_MAX * info.realProgress) / info.realMax;
+            int max = info.realMax;
+            int progress = info.realProgress;
 
-            if (progressChanged || maxChanged) {
-                if (progressChanged) {
-                    if (DEBUG) Log.v(TAG, "Updating progress for PID " + pid + "(id: " + id
-                            + ") from " + info.progress + " to " + progress);
-                    info.progress = progress;
+            if (newPercentage > CAPPED_PROGRESS) {
+                progress = newPercentage = CAPPED_PROGRESS;
+                max = CAPPED_MAX;
+            }
+
+            if (newPercentage > oldPercentage) {
+                if (DEBUG) {
+                    if (progress != info.progress) {
+                        Log.v(TAG, "Updating progress for PID " + pid + "(id: " + id + ") from "
+                                + info.progress + " to " + progress);
+                    }
+                    if (max != info.max) {
+                        Log.v(TAG, "Updating max progress for PID " + pid + "(id: " + id + ") from "
+                                + info.max + " to " + max);
+                    }
                 }
-                if (maxChanged) {
-                    Log.i(TAG, "Updating max progress for PID " + pid + "(id: " + id
-                            + ") from " + info.max + " to " + max);
-                    info.max = max;
-                }
+                info.progress = progress;
+                info.max = max;
                 info.lastUpdate = System.currentTimeMillis();
                 updateProgress(info);
             } else {
@@ -1450,16 +1476,26 @@
         String description;
 
         /**
-         * Maximum progress of the bugreport generation.
+         * Maximum progress of the bugreport generation as displayed by the UI.
          */
         int max;
 
         /**
-         * Current progress of the bugreport generation.
+         * Current progress of the bugreport generation as displayed by the UI.
          */
         int progress;
 
         /**
+         * Maximum progress of the bugreport generation as reported by dumpstate.
+         */
+        int realMax;
+
+        /**
+         * Current progress of the bugreport generation as reported by dumpstate.
+         */
+        int realProgress;
+
+        /**
          * Time of the last progress update.
          */
         long lastUpdate = System.currentTimeMillis();
@@ -1568,10 +1604,12 @@
         @Override
         public String toString() {
             final float percent = ((float) progress * 100 / max);
+            final float realPercent = ((float) realProgress * 100 / realMax);
             return "id: " + id + ", pid: " + pid + ", name: " + name + ", finished: " + finished
                     + "\n\ttitle: " + title + "\n\tdescription: " + description
                     + "\n\tfile: " + bugreportFile + "\n\tscreenshots: " + screenshotFiles
                     + "\n\tprogress: " + progress + "/" + max + " (" + percent + ")"
+                    + "\n\treal progress: " + realProgress + "/" + realMax + " (" + realPercent + ")"
                     + "\n\tlast_update: " + getFormattedLastUpdate()
                     + "\naddingDetailsToZip: " + addingDetailsToZip
                     + " addedDetailsToZip: " + addedDetailsToZip;
@@ -1587,6 +1625,8 @@
             description = in.readString();
             max = in.readInt();
             progress = in.readInt();
+            realMax = in.readInt();
+            realProgress = in.readInt();
             lastUpdate = in.readLong();
             formattedLastUpdate = in.readString();
             bugreportFile = readFile(in);
@@ -1609,6 +1649,8 @@
             dest.writeString(description);
             dest.writeInt(max);
             dest.writeInt(progress);
+            dest.writeInt(realMax);
+            dest.writeInt(realProgress);
             dest.writeLong(lastUpdate);
             dest.writeString(getFormattedLastUpdate());
             writeFile(dest, bugreportFile);
diff --git a/packages/Shell/src/com/android/shell/BugreportStorageProvider.java b/packages/Shell/src/com/android/shell/BugreportStorageProvider.java
index 49759c5..814aa8c 100644
--- a/packages/Shell/src/com/android/shell/BugreportStorageProvider.java
+++ b/packages/Shell/src/com/android/shell/BugreportStorageProvider.java
@@ -56,7 +56,7 @@
         final MatrixCursor result = new MatrixCursor(resolveRootProjection(projection));
         final RowBuilder row = result.newRow();
         row.add(Root.COLUMN_ROOT_ID, DOC_ID_ROOT);
-        row.add(Root.COLUMN_FLAGS, Root.FLAG_LOCAL_ONLY);
+        row.add(Root.COLUMN_FLAGS, Root.FLAG_LOCAL_ONLY | Root.FLAG_ADVANCED);
         row.add(Root.COLUMN_ICON, android.R.mipmap.sym_def_app_icon);
         row.add(Root.COLUMN_TITLE, getContext().getString(R.string.bugreport_storage_title));
         row.add(Root.COLUMN_DOCUMENT_ID, DOC_ID_ROOT);
diff --git a/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java b/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
index 17f6f6b..e1e0c3b 100644
--- a/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
+++ b/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
@@ -26,6 +26,7 @@
 import static com.android.shell.BugreportProgressService.EXTRA_SCREENSHOT;
 import static com.android.shell.BugreportProgressService.INTENT_BUGREPORT_FINISHED;
 import static com.android.shell.BugreportProgressService.INTENT_BUGREPORT_STARTED;
+import static com.android.shell.BugreportProgressService.POLLING_FREQUENCY;
 import static com.android.shell.BugreportProgressService.SCREENSHOT_DELAY_SECONDS;
 
 import java.io.BufferedOutputStream;
@@ -92,7 +93,7 @@
     private static final String TAG = "BugreportReceiverTest";
 
     // Timeout for UI operations, in milliseconds.
-    private static final int TIMEOUT = (int) BugreportProgressService.POLLING_FREQUENCY * 4;
+    private static final int TIMEOUT = (int) POLLING_FREQUENCY * 4;
 
     // Timeout for when waiting for a screenshot to finish.
     private static final int SAFE_SCREENSHOT_DELAY = SCREENSHOT_DELAY_SECONDS + 10;
@@ -190,8 +191,30 @@
         SystemProperties.set(PROGRESS_PROPERTY, "500");
         assertProgressNotification(NAME, nf.format(0.50));
 
+        SystemProperties.set(PROGRESS_PROPERTY, "950");
+        assertProgressNotification(NAME, nf.format(0.95));
+
+        // Make sure progress never goes back...
         SystemProperties.set(MAX_PROPERTY, "2000");
-        assertProgressNotification(NAME, nf.format(0.25));
+        Thread.sleep(POLLING_FREQUENCY + DateUtils.SECOND_IN_MILLIS);
+        assertProgressNotification(NAME, nf.format(0.95));
+
+        SystemProperties.set(PROGRESS_PROPERTY, "1000");
+        assertProgressNotification(NAME, nf.format(0.95));
+
+        // ...only forward...
+        SystemProperties.set(PROGRESS_PROPERTY, "1902");
+        assertProgressNotification(NAME, nf.format(0.9510));
+
+        SystemProperties.set(PROGRESS_PROPERTY, "1960");
+        assertProgressNotification(NAME, nf.format(0.98));
+
+        // ...but never more than the capped value.
+        SystemProperties.set(PROGRESS_PROPERTY, "2000");
+        assertProgressNotification(NAME, nf.format(0.99));
+
+        SystemProperties.set(PROGRESS_PROPERTY, "3000");
+        assertProgressNotification(NAME, nf.format(0.99));
 
         Bundle extras =
                 sendBugreportFinishedAndGetSharedIntent(ID, mPlainTextPath, mScreenshotPath);
diff --git a/packages/Shell/tests/src/com/android/shell/UiBot.java b/packages/Shell/tests/src/com/android/shell/UiBot.java
index 384c3da..5bfe1a0 100644
--- a/packages/Shell/tests/src/com/android/shell/UiBot.java
+++ b/packages/Shell/tests/src/com/android/shell/UiBot.java
@@ -32,7 +32,7 @@
 final class UiBot {
 
     private static final String TAG = "UiBot";
-    private static final String SYSTEMUI_PACKAGED = "com.android.systemui";
+    private static final String SYSTEMUI_PACKAGE = "com.android.systemui";
 
     private final UiDevice mDevice;
     private final int mTimeout;
@@ -51,8 +51,8 @@
     public UiObject getNotification(String text) {
         boolean opened = mDevice.openNotification();
         Log.v(TAG, "openNotification(): " + opened);
-        boolean gotIt = mDevice.wait(Until.hasObject(By.pkg(SYSTEMUI_PACKAGED)), mTimeout);
-        assertTrue("could not get system ui (" + SYSTEMUI_PACKAGED + ")", gotIt);
+        boolean gotIt = mDevice.wait(Until.hasObject(By.pkg(SYSTEMUI_PACKAGE)), mTimeout);
+        assertTrue("could not get system ui (" + SYSTEMUI_PACKAGE + ")", gotIt);
 
         return getObject(text);
     }
diff --git a/rs/java/android/renderscript/RenderScript.java b/rs/java/android/renderscript/RenderScript.java
index 425569c..9beaba3 100644
--- a/rs/java/android/renderscript/RenderScript.java
+++ b/rs/java/android/renderscript/RenderScript.java
@@ -1387,6 +1387,27 @@
     }
 
     /**
+     * Name of the file that holds the object cache.
+     */
+    private static String mCachePath;
+
+    /**
+     * Gets the path to the code cache.
+     */
+    static synchronized String getCachePath() {
+        if (mCachePath == null) {
+            final String CACHE_PATH = "com.android.renderscript.cache";
+            if (RenderScriptCacheDir.mCacheDir == null) {
+                throw new RSRuntimeException("RenderScript code cache directory uninitialized.");
+            }
+            File f = new File(RenderScriptCacheDir.mCacheDir, CACHE_PATH);
+            mCachePath = f.getAbsolutePath();
+            f.mkdirs();
+        }
+        return mCachePath;
+    }
+
+    /**
      * Create a RenderScript context.
      *
      * @param ctx The context.
@@ -1415,11 +1436,7 @@
         }
 
         // set up cache directory for entire context
-        final String CACHE_PATH = "com.android.renderscript.cache";
-        File f = new File(RenderScriptCacheDir.mCacheDir, CACHE_PATH);
-        String mCachePath = f.getAbsolutePath();
-        f.mkdirs();
-        rs.nContextSetCacheDir(mCachePath);
+        rs.nContextSetCacheDir(RenderScript.getCachePath());
 
         rs.mMessageThread = new MessageThread(rs);
         rs.mMessageThread.start();
diff --git a/rs/java/android/renderscript/ScriptC.java b/rs/java/android/renderscript/ScriptC.java
index bf706c1..00ebe57 100644
--- a/rs/java/android/renderscript/ScriptC.java
+++ b/rs/java/android/renderscript/ScriptC.java
@@ -84,13 +84,6 @@
         setID(id);
     }
 
-    /**
-     * Name of the file that holds the object cache.
-     */
-    private static final String CACHE_PATH = "com.android.renderscript.cache";
-
-    static String mCachePath;
-
     private static synchronized long internalCreate(RenderScript rs, Resources resources, int resourceID) {
         byte[] pgm;
         int pgmLength;
@@ -122,26 +115,12 @@
 
         String resName = resources.getResourceEntryName(resourceID);
 
-        // Create the RS cache path if we haven't done so already.
-        if (mCachePath == null) {
-            File f = new File(RenderScriptCacheDir.mCacheDir, CACHE_PATH);
-            mCachePath = f.getAbsolutePath();
-            f.mkdirs();
-        }
         //        Log.v(TAG, "Create script for resource = " + resName);
-        return rs.nScriptCCreate(resName, mCachePath, pgm, pgmLength);
+        return rs.nScriptCCreate(resName, RenderScript.getCachePath(), pgm, pgmLength);
     }
 
     private static synchronized long internalStringCreate(RenderScript rs, String resName, byte[] bitcode) {
-        // Create the RS cache path if we haven't done so already.
-        if (mCachePath == null) {
-            File f = new File(RenderScriptCacheDir.mCacheDir, CACHE_PATH);
-            mCachePath = f.getAbsolutePath();
-            f.mkdirs();
-        }
         //        Log.v(TAG, "Create script for resource = " + resName);
-        return rs.nScriptCCreate(resName, mCachePath, bitcode, bitcode.length);
+        return rs.nScriptCCreate(resName, RenderScript.getCachePath(), bitcode, bitcode.length);
     }
-
-
 }
diff --git a/rs/java/android/renderscript/ScriptGroup.java b/rs/java/android/renderscript/ScriptGroup.java
index 9bbacbc..9357c3bb 100644
--- a/rs/java/android/renderscript/ScriptGroup.java
+++ b/rs/java/android/renderscript/ScriptGroup.java
@@ -396,7 +396,7 @@
         for (int i = 0; i < closureIDs.length; i++) {
             closureIDs[i] = closures.get(i).getID(rs);
         }
-        long id = rs.nScriptGroup2Create(name, ScriptC.mCachePath, closureIDs);
+        long id = rs.nScriptGroup2Create(name, RenderScript.getCachePath(), closureIDs);
         setID(id);
     }
 
diff --git a/services/core/java/com/android/server/AppOpsService.java b/services/core/java/com/android/server/AppOpsService.java
index a94c8b8..e7db2a8 100644
--- a/services/core/java/com/android/server/AppOpsService.java
+++ b/services/core/java/com/android/server/AppOpsService.java
@@ -447,12 +447,8 @@
             int[] ops) {
         mContext.enforcePermission(android.Manifest.permission.GET_APP_OPS_STATS,
                 Binder.getCallingPid(), Binder.getCallingUid(), null);
-        String resolvedPackageName = resolvePackageName(uid, packageName);
-        if (resolvedPackageName == null) {
-            return Collections.emptyList();
-        }
         synchronized (this) {
-            Ops pkgOps = getOpsRawLocked(uid, resolvedPackageName, false);
+            Ops pkgOps = getOpsLocked(uid, packageName, false);
             if (pkgOps == null) {
                 return null;
             }
@@ -470,7 +466,7 @@
 
     private void pruneOp(Op op, int uid, String packageName) {
         if (op.time == 0 && op.rejectTime == 0) {
-            Ops ops = getOpsRawLocked(uid, packageName, false);
+            Ops ops = getOpsLocked(uid, packageName, false);
             if (ops != null) {
                 ops.remove(op.op);
                 if (ops.size() <= 0) {
@@ -884,12 +880,8 @@
     public int checkOperation(int code, int uid, String packageName) {
         verifyIncomingUid(uid);
         verifyIncomingOp(code);
-        String resolvedPackageName = resolvePackageName(uid, packageName);
-        if (resolvedPackageName == null) {
-            return AppOpsManager.MODE_IGNORED;
-        }
         synchronized (this) {
-            if (isOpRestricted(uid, code, resolvedPackageName)) {
+            if (isOpRestricted(uid, code, packageName)) {
                 return AppOpsManager.MODE_IGNORED;
             }
             code = AppOpsManager.opToSwitch(code);
@@ -900,7 +892,7 @@
                     return uidMode;
                 }
             }
-            Op op = getOpLocked(code, uid, resolvedPackageName, false);
+            Op op = getOpLocked(code, uid, packageName, false);
             if (op == null) {
                 return AppOpsManager.opToDefaultMode(code);
             }
@@ -976,7 +968,6 @@
 
     @Override
     public int checkPackage(int uid, String packageName) {
-        Preconditions.checkNotNull(packageName);
         synchronized (this) {
             if (getOpsRawLocked(uid, packageName, true) != null) {
                 return AppOpsManager.MODE_ALLOWED;
@@ -990,39 +981,26 @@
     public int noteProxyOperation(int code, String proxyPackageName,
             int proxiedUid, String proxiedPackageName) {
         verifyIncomingOp(code);
-        final int proxyUid = Binder.getCallingUid();
-        String resolveProxyPackageName = resolvePackageName(proxyUid, proxyPackageName);
-        if (resolveProxyPackageName == null) {
-            return AppOpsManager.MODE_IGNORED;
-        }
-        final int proxyMode = noteOperationUnchecked(code, proxyUid,
-                resolveProxyPackageName, -1, null);
+        final int proxyMode = noteOperationUnchecked(code, Binder.getCallingUid(),
+                proxyPackageName, -1, null);
         if (proxyMode != AppOpsManager.MODE_ALLOWED || Binder.getCallingUid() == proxiedUid) {
             return proxyMode;
         }
-        String resolveProxiedPackageName = resolvePackageName(proxiedUid, proxiedPackageName);
-        if (resolveProxiedPackageName == null) {
-            return AppOpsManager.MODE_IGNORED;
-        }
-        return noteOperationUnchecked(code, proxiedUid, resolveProxiedPackageName,
-                proxyMode, resolveProxyPackageName);
+        return noteOperationUnchecked(code, proxiedUid, proxiedPackageName,
+                Binder.getCallingUid(), proxyPackageName);
     }
 
     @Override
     public int noteOperation(int code, int uid, String packageName) {
         verifyIncomingUid(uid);
         verifyIncomingOp(code);
-        String resolvedPackageName = resolvePackageName(uid, packageName);
-        if (resolvedPackageName == null) {
-            return AppOpsManager.MODE_IGNORED;
-        }
-        return noteOperationUnchecked(code, uid, resolvedPackageName, 0, null);
+        return noteOperationUnchecked(code, uid, packageName, 0, null);
     }
 
     private int noteOperationUnchecked(int code, int uid, String packageName,
             int proxyUid, String proxyPackageName) {
         synchronized (this) {
-            Ops ops = getOpsRawLocked(uid, packageName, true);
+            Ops ops = getOpsLocked(uid, packageName, true);
             if (ops == null) {
                 if (DEBUG) Log.d(TAG, "noteOperation: no op for code " + code + " uid " + uid
                         + " package " + packageName);
@@ -1070,20 +1048,16 @@
     public int startOperation(IBinder token, int code, int uid, String packageName) {
         verifyIncomingUid(uid);
         verifyIncomingOp(code);
-        String resolvedPackageName = resolvePackageName(uid, packageName);
-        if (resolvedPackageName == null) {
-            return  AppOpsManager.MODE_IGNORED;
-        }
         ClientState client = (ClientState)token;
         synchronized (this) {
-            Ops ops = getOpsRawLocked(uid, resolvedPackageName, true);
+            Ops ops = getOpsLocked(uid, packageName, true);
             if (ops == null) {
                 if (DEBUG) Log.d(TAG, "startOperation: no op for code " + code + " uid " + uid
-                        + " package " + resolvedPackageName);
+                        + " package " + packageName);
                 return AppOpsManager.MODE_ERRORED;
             }
             Op op = getOpLocked(ops, code, true);
-            if (isOpRestricted(uid, code, resolvedPackageName)) {
+            if (isOpRestricted(uid, code, packageName)) {
                 return AppOpsManager.MODE_IGNORED;
             }
             final int switchCode = AppOpsManager.opToSwitch(code);
@@ -1093,7 +1067,7 @@
                 if (uidMode != AppOpsManager.MODE_ALLOWED) {
                     if (DEBUG) Log.d(TAG, "noteOperation: reject #" + op.mode + " for code "
                             + switchCode + " (" + code + ") uid " + uid + " package "
-                            + resolvedPackageName);
+                            + packageName);
                     op.rejectTime = System.currentTimeMillis();
                     return uidMode;
                 }
@@ -1101,13 +1075,12 @@
             final Op switchOp = switchCode != code ? getOpLocked(ops, switchCode, true) : op;
             if (switchOp.mode != AppOpsManager.MODE_ALLOWED) {
                 if (DEBUG) Log.d(TAG, "startOperation: reject #" + op.mode + " for code "
-                        + switchCode + " (" + code + ") uid " + uid + " package "
-                        + resolvedPackageName);
+                        + switchCode + " (" + code + ") uid " + uid + " package " + packageName);
                 op.rejectTime = System.currentTimeMillis();
                 return switchOp.mode;
             }
             if (DEBUG) Log.d(TAG, "startOperation: allowing code " + code + " uid " + uid
-                    + " package " + resolvedPackageName);
+                    + " package " + packageName);
             if (op.nesting == 0) {
                 op.time = System.currentTimeMillis();
                 op.rejectTime = 0;
@@ -1125,16 +1098,9 @@
     public void finishOperation(IBinder token, int code, int uid, String packageName) {
         verifyIncomingUid(uid);
         verifyIncomingOp(code);
-        String resolvedPackageName = resolvePackageName(uid, packageName);
-        if (resolvedPackageName == null) {
-            return;
-        }
-        if (!(token instanceof ClientState)) {
-            return;
-        }
-        ClientState client = (ClientState) token;
+        ClientState client = (ClientState)token;
         synchronized (this) {
-            Op op = getOpLocked(code, uid, resolvedPackageName, true);
+            Op op = getOpLocked(code, uid, packageName, true);
             if (op == null) {
                 return;
             }
@@ -1150,9 +1116,6 @@
 
     @Override
     public int permissionToOpCode(String permission) {
-        if (permission == null) {
-            return AppOpsManager.OP_NONE;
-        }
         return AppOpsManager.permissionToOpCode(permission);
     }
 
@@ -1202,6 +1165,15 @@
         return uidState;
     }
 
+    private Ops getOpsLocked(int uid, String packageName, boolean edit) {
+        if (uid == 0) {
+            packageName = "root";
+        } else if (uid == Process.SHELL_UID) {
+            packageName = "com.android.shell";
+        }
+        return getOpsRawLocked(uid, packageName, edit);
+    }
+
     private Ops getOpsRawLocked(int uid, String packageName, boolean edit) {
         UidState uidState = getUidStateLocked(uid, edit);
         if (uidState == null) {
@@ -1287,7 +1259,7 @@
     }
 
     private Op getOpLocked(int code, int uid, String packageName, boolean edit) {
-        Ops ops = getOpsRawLocked(uid, packageName, edit);
+        Ops ops = getOpsLocked(uid, packageName, edit);
         if (ops == null) {
             return null;
         }
@@ -1345,7 +1317,7 @@
                 if (AppOpsManager.opAllowSystemBypassRestriction(code)) {
                     // If we are the system, bypass user restrictions for certain codes
                     synchronized (this) {
-                        Ops ops = getOpsRawLocked(uid, packageName, true);
+                        Ops ops = getOpsLocked(uid, packageName, true);
                         if ((ops != null) && ops.isPrivileged) {
                             return false;
                         }
@@ -1610,7 +1582,7 @@
                         out.startTag(null, "uid");
                         out.attribute(null, "n", Integer.toString(pkg.getUid()));
                         synchronized (this) {
-                            Ops ops = getOpsRawLocked(pkg.getUid(), pkg.getPackageName(), false);
+                            Ops ops = getOpsLocked(pkg.getUid(), pkg.getPackageName(), false);
                             // Should always be present as the list of PackageOps is generated
                             // from Ops.
                             if (ops != null) {
@@ -2131,7 +2103,6 @@
     @Override
     public void setUserRestrictions(Bundle restrictions, IBinder token, int userHandle) {
         checkSystemUid("setUserRestrictions");
-        Preconditions.checkNotNull(restrictions);
         Preconditions.checkNotNull(token);
         final boolean[] opRestrictions = getOrCreateUserRestrictionsForToken(token, userHandle);
         for (int i = 0; i < opRestrictions.length; ++i) {
@@ -2346,15 +2317,6 @@
         }
     }
 
-    private static String resolvePackageName(int uid, String packageName)  {
-        if (uid == 0) {
-            return "root";
-        } else if (uid == Process.SHELL_UID) {
-            return "com.android.shell";
-        }
-        return packageName;
-    }
-
     private static String[] getPackagesForUid(int uid) {
         String[] packageNames = null;
         try {
diff --git a/services/core/java/com/android/server/pm/UserManagerService.java b/services/core/java/com/android/server/pm/UserManagerService.java
index a3622b5..715f1e5 100644
--- a/services/core/java/com/android/server/pm/UserManagerService.java
+++ b/services/core/java/com/android/server/pm/UserManagerService.java
@@ -1,3 +1,4 @@
+
 /*
  * Copyright (C) 2011 The Android Open Source Project
  *
@@ -650,18 +651,27 @@
 
     @Override
     public UserInfo getUserInfo(int userId) {
+        checkManageUsersPermission("query user");
+        synchronized (mUsersLock) {
+            return getUserInfoLU(userId);
+        }
+    }
+
+    @Override
+    public boolean isManagedProfile(int userId) {
         int callingUserId = UserHandle.getCallingUserId();
         if (callingUserId != userId && !hasManageUsersPermission()) {
             synchronized (mPackagesLock) {
                 if (!isSameProfileGroupLP(callingUserId, userId)) {
                     throw new SecurityException(
-                            "You need MANAGE_USERS permission to: query users outside profile" +
-                                    " group");
+                            "You need MANAGE_USERS permission to: check if specified user a " +
+                            "managed profile outside your profile group");
                 }
             }
         }
         synchronized (mUsersLock) {
-            return getUserInfoLU(userId);
+            UserInfo userInfo =  getUserInfoLU(userId);
+            return userInfo != null && userInfo.isManagedProfile();
         }
     }