Merge "Fix missing showWhenLocked activity attribute"
diff --git a/Android.bp b/Android.bp
index e669307..44f7edd 100644
--- a/Android.bp
+++ b/Android.bp
@@ -181,6 +181,7 @@
         "core/java/android/hardware/input/IInputManager.aidl",
         "core/java/android/hardware/input/IInputDevicesChangedListener.aidl",
         "core/java/android/hardware/input/ITabletModeChangedListener.aidl",
+        "core/java/android/hardware/iris/IIrisService.aidl",
         "core/java/android/hardware/location/IActivityRecognitionHardware.aidl",
         "core/java/android/hardware/location/IActivityRecognitionHardwareClient.aidl",
         "core/java/android/hardware/location/IActivityRecognitionHardwareSink.aidl",
@@ -692,6 +693,7 @@
     ],
 
     static_libs: [
+        "apex_aidl_interface-java",
         "framework-protos",
         "mediaplayer2-protos",
         "android.hidl.base-V1.0-java",
diff --git a/api/current.txt b/api/current.txt
index 3deb15a..f387c5d 100755
--- a/api/current.txt
+++ b/api/current.txt
@@ -42925,7 +42925,6 @@
     method public int getLevel();
     method public int getRsrp();
     method public int getRsrq();
-    method public int getRssi();
     method public int getRssnr();
     method public int getTimingAdvance();
     method public void writeToParcel(android.os.Parcel, int);
diff --git a/cmds/statsd/src/StatsLogProcessor.cpp b/cmds/statsd/src/StatsLogProcessor.cpp
index 12e2560a..065f49e 100644
--- a/cmds/statsd/src/StatsLogProcessor.cpp
+++ b/cmds/statsd/src/StatsLogProcessor.cpp
@@ -276,22 +276,21 @@
  */
 void StatsLogProcessor::onDumpReport(const ConfigKey& key, const int64_t dumpTimeStampNs,
                                      const bool include_current_partial_bucket,
+                                     const bool erase_data,
                                      const DumpReportReason dumpReportReason,
-                                     vector<uint8_t>* outData) {
+                                     ProtoOutputStream* proto) {
     std::lock_guard<std::mutex> lock(mMetricsMutex);
 
-    ProtoOutputStream proto;
-
     // Start of ConfigKey.
-    uint64_t configKeyToken = proto.start(FIELD_TYPE_MESSAGE | FIELD_ID_CONFIG_KEY);
-    proto.write(FIELD_TYPE_INT32 | FIELD_ID_UID, key.GetUid());
-    proto.write(FIELD_TYPE_INT64 | FIELD_ID_ID, (long long)key.GetId());
-    proto.end(configKeyToken);
+    uint64_t configKeyToken = proto->start(FIELD_TYPE_MESSAGE | FIELD_ID_CONFIG_KEY);
+    proto->write(FIELD_TYPE_INT32 | FIELD_ID_UID, key.GetUid());
+    proto->write(FIELD_TYPE_INT64 | FIELD_ID_ID, (long long)key.GetId());
+    proto->end(configKeyToken);
     // End of ConfigKey.
 
     // Then, check stats-data directory to see there's any file containing
     // ConfigMetricsReport from previous shutdowns to concatenate to reports.
-    StorageManager::appendConfigMetricsReport(key, &proto);
+    StorageManager::appendConfigMetricsReport(key, proto);
 
     auto it = mMetricsManagers.find(key);
     if (it != mMetricsManagers.end()) {
@@ -301,14 +300,27 @@
 
         // Start of ConfigMetricsReport (reports).
         uint64_t reportsToken =
-                proto.start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_REPORTS);
+                proto->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_REPORTS);
         onConfigMetricsReportLocked(key, dumpTimeStampNs, include_current_partial_bucket,
-                                    dumpReportReason, &proto);
-        proto.end(reportsToken);
+                                    erase_data, dumpReportReason, proto);
+        proto->end(reportsToken);
         // End of ConfigMetricsReport (reports).
     } else {
         ALOGW("Config source %s does not exist", key.ToString().c_str());
     }
+}
+
+/*
+ * onDumpReport dumps serialized ConfigMetricsReportList into outData.
+ */
+void StatsLogProcessor::onDumpReport(const ConfigKey& key, const int64_t dumpTimeStampNs,
+                                     const bool include_current_partial_bucket,
+                                     const bool erase_data,
+                                     const DumpReportReason dumpReportReason,
+                                     vector<uint8_t>* outData) {
+    ProtoOutputStream proto;
+    onDumpReport(key, dumpTimeStampNs, include_current_partial_bucket, erase_data,
+                 dumpReportReason, &proto);
 
     if (outData != nullptr) {
         outData->clear();
@@ -332,6 +344,7 @@
 void StatsLogProcessor::onConfigMetricsReportLocked(const ConfigKey& key,
                                                     const int64_t dumpTimeStampNs,
                                                     const bool include_current_partial_bucket,
+                                                    const bool erase_data,
                                                     const DumpReportReason dumpReportReason,
                                                     ProtoOutputStream* proto) {
     // We already checked whether key exists in mMetricsManagers in
@@ -348,7 +361,7 @@
     // First, fill in ConfigMetricsReport using current data on memory, which
     // starts from filling in StatsLogReport's.
     it->second->onDumpReport(dumpTimeStampNs, include_current_partial_bucket,
-                             &str_set, proto);
+                             erase_data, &str_set, proto);
 
     // Fill in UidMap if there is at least one metric to report.
     // This skips the uid map if it's an empty config.
@@ -479,7 +492,7 @@
     }
     ProtoOutputStream proto;
     onConfigMetricsReportLocked(key, timestampNs, true /* include_current_partial_bucket*/,
-                                dumpReportReason, &proto);
+                                true /* erase_data */, dumpReportReason, &proto);
     string file_name = StringPrintf("%s/%ld_%d_%lld", STATS_DATA_DIR,
          (long)getWallClockSec(), key.GetUid(), (long long)key.GetId());
     android::base::unique_fd fd(open(file_name.c_str(),
diff --git a/cmds/statsd/src/StatsLogProcessor.h b/cmds/statsd/src/StatsLogProcessor.h
index 3e8b9b8..ecfd819 100644
--- a/cmds/statsd/src/StatsLogProcessor.h
+++ b/cmds/statsd/src/StatsLogProcessor.h
@@ -61,8 +61,11 @@
     size_t GetMetricsSize(const ConfigKey& key) const;
 
     void onDumpReport(const ConfigKey& key, const int64_t dumpTimeNs,
-                      const bool include_current_partial_bucket,
+                      const bool include_current_partial_bucket, const bool erase_data,
                       const DumpReportReason dumpReportReason, vector<uint8_t>* outData);
+    void onDumpReport(const ConfigKey& key, const int64_t dumpTimeNs,
+                      const bool include_current_partial_bucket, const bool erase_data,
+                      const DumpReportReason dumpReportReason, ProtoOutputStream* proto);
 
     /* Tells MetricsManager that the alarms in alarmSet have fired. Modifies anomaly alarmSet. */
     void onAnomalyAlarmFired(
@@ -141,6 +144,7 @@
 
     void onConfigMetricsReportLocked(const ConfigKey& key, const int64_t dumpTimeStampNs,
                                      const bool include_current_partial_bucket,
+                                     const bool erase_data,
                                      const DumpReportReason dumpReportReason,
                                      util::ProtoOutputStream* proto);
 
diff --git a/cmds/statsd/src/StatsService.cpp b/cmds/statsd/src/StatsService.cpp
index ce28777..27685fc 100644
--- a/cmds/statsd/src/StatsService.cpp
+++ b/cmds/statsd/src/StatsService.cpp
@@ -46,6 +46,8 @@
 using namespace android;
 
 using android::base::StringPrintf;
+using android::util::FIELD_COUNT_REPEATED;
+using android::util::FIELD_TYPE_MESSAGE;
 
 namespace android {
 namespace os {
@@ -58,6 +60,9 @@
 
 #define STATS_SERVICE_DIR "/data/misc/stats-service"
 
+// for StatsDataDumpProto
+const int FIELD_ID_REPORTS_LIST = 1;
+
 static binder::Status ok() {
     return binder::Status::ok();
 }
@@ -224,31 +229,48 @@
 }
 
 /**
- * Write debugging data about statsd.
+ * Write data from statsd.
+ * Format for statsdStats:  adb shell dumpsys stats --metadata [-v] [--proto]
+ * Format for data report:  adb shell dumpsys stats [anything other than --metadata] [--proto]
+ * Anything ending in --proto will be in proto format.
+ * Anything without --metadata as the first argument will be report information.
+ *     (bugreports call "adb shell dumpsys stats --dump-priority NORMAL -a --proto")
+ * TODO: Come up with a more robust method of enacting <serviceutils/PriorityDumper.h>.
  */
 status_t StatsService::dump(int fd, const Vector<String16>& args) {
     if (!checkCallingPermission(String16(kPermissionDump))) {
         return PERMISSION_DENIED;
     }
-
-    bool verbose = false;
-    bool proto = false;
-    if (args.size() > 0 && !args[0].compare(String16("-v"))) {
-        verbose = true;
+    int lastArg = args.size() - 1;
+    bool asProto = false;
+    if (lastArg >= 0 && !args[lastArg].compare(String16("--proto"))) { // last argument
+        asProto = true;
+        lastArg--;
     }
-    if (args.size() > 0 && !args[args.size()-1].compare(String16("--proto"))) {
-        proto = true;
+    if (args.size() > 0 && !args[0].compare(String16("--metadata"))) { // first argument
+        // Request is to dump statsd stats.
+        bool verbose = false;
+        if (lastArg >= 0 && !args[lastArg].compare(String16("-v"))) {
+            verbose = true;
+            lastArg--;
+        }
+        dumpStatsdStats(fd, verbose, asProto);
+    } else {
+        // Request is to dump statsd report data.
+        if (asProto) {
+            dumpIncidentSection(fd);
+        } else {
+            dprintf(fd, "Non-proto format of stats data dump not available; see proto version.\n");
+        }
     }
 
-    dump_impl(fd, verbose, proto);
-
     return NO_ERROR;
 }
 
 /**
  * Write debugging data about statsd in text or proto format.
  */
-void StatsService::dump_impl(int out, bool verbose, bool proto) {
+void StatsService::dumpStatsdStats(int out, bool verbose, bool proto) {
     if (proto) {
         vector<uint8_t> data;
         StatsdStats::getInstance().dumpStats(&data, false); // does not reset statsdStats.
@@ -262,6 +284,22 @@
 }
 
 /**
+ * Write stats report data in StatsDataDumpProto incident section format.
+ */
+void StatsService::dumpIncidentSection(int out) {
+    ProtoOutputStream proto;
+    for (const ConfigKey& configKey : mConfigManager->GetAllConfigKeys()) {
+        uint64_t reportsListToken =
+                proto.start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_REPORTS_LIST);
+        mProcessor->onDumpReport(configKey, getElapsedRealtimeNs(),
+                                 true /* includeCurrentBucket */, false /* erase_data */,
+                                 ADB_DUMP, &proto);
+        proto.end(reportsListToken);
+        proto.flush(out);
+    }
+}
+
+/**
  * Implementation of the adb shell cmd stats command.
  */
 status_t StatsService::command(int in, int out, int err, Vector<String8>& args,
@@ -283,7 +321,7 @@
         }
 
         if (!args[0].compare(String8("dump-report"))) {
-            return cmd_dump_report(out, err, args);
+            return cmd_dump_report(out, args);
         }
 
         if (!args[0].compare(String8("pull-source")) && args.size() > 1) {
@@ -546,7 +584,7 @@
     return UNKNOWN_ERROR;
 }
 
-status_t StatsService::cmd_dump_report(int out, int err, const Vector<String8>& args) {
+status_t StatsService::cmd_dump_report(int out, const Vector<String8>& args) {
     if (mProcessor != nullptr) {
         int argCount = args.size();
         bool good = false;
@@ -589,14 +627,13 @@
         if (good) {
             vector<uint8_t> data;
             mProcessor->onDumpReport(ConfigKey(uid, StrToInt64(name)), getElapsedRealtimeNs(),
-                                     includeCurrentBucket, ADB_DUMP, &data);
+                                     includeCurrentBucket, true /* erase_data */, ADB_DUMP, &data);
             if (proto) {
                 for (size_t i = 0; i < data.size(); i ++) {
                     dprintf(out, "%c", data[i]);
                 }
             } else {
-                dprintf(out, "Dump report for Config [%d,%s]\n", uid, name.c_str());
-                dprintf(out, "See the StatsLogReport in logcat...\n");
+                dprintf(out, "Non-proto stats data dump not currently supported.\n");
             }
             return android::OK;
         } else {
@@ -888,7 +925,7 @@
     VLOG("StatsService::getData with Pid %i, Uid %i", ipc->getCallingPid(), ipc->getCallingUid());
     ConfigKey configKey(ipc->getCallingUid(), key);
     mProcessor->onDumpReport(configKey, getElapsedRealtimeNs(), false /* include_current_bucket*/,
-                             GET_DATA_CALLED, output);
+                             true /* erase_data */, GET_DATA_CALLED, output);
     return Status::ok();
 }
 
diff --git a/cmds/statsd/src/StatsService.h b/cmds/statsd/src/StatsService.h
index cbf3429..4a5f05f 100644
--- a/cmds/statsd/src/StatsService.h
+++ b/cmds/statsd/src/StatsService.h
@@ -213,9 +213,14 @@
                                          uint32_t serial);
 
     /**
-     * Text or proto output of dumpsys.
+     * Proto output of statsd report data dumpsys, wrapped in a StatsDataDumpProto.
      */
-    void dump_impl(int outFd, bool verbose, bool proto);
+    void dumpIncidentSection(int outFd);
+
+    /**
+     * Text or proto output of statsdStats dumpsys.
+     */
+    void dumpStatsdStats(int outFd, bool verbose, bool proto);
 
     /**
      * Print usage information for the commands
@@ -240,7 +245,7 @@
     /**
      * Print the event log.
      */
-    status_t cmd_dump_report(int outFd, int err, const Vector<String8>& args);
+    status_t cmd_dump_report(int outFd, const Vector<String8>& args);
 
     /**
      * Print the mapping of uids to package names.
diff --git a/cmds/statsd/src/main.cpp b/cmds/statsd/src/main.cpp
index 6b8c12a..eddc86e 100644
--- a/cmds/statsd/src/main.cpp
+++ b/cmds/statsd/src/main.cpp
@@ -82,7 +82,9 @@
 
     // Create the service
     gStatsService = new StatsService(looper);
-    if (defaultServiceManager()->addService(String16("stats"), gStatsService) != 0) {
+    if (defaultServiceManager()->addService(String16("stats"), gStatsService, false,
+                IServiceManager::DUMP_FLAG_PRIORITY_NORMAL | IServiceManager::DUMP_FLAG_PROTO)
+            != 0) {
         ALOGE("Failed to add service as AIDL service");
         return -1;
     }
diff --git a/cmds/statsd/src/metrics/CountMetricProducer.cpp b/cmds/statsd/src/metrics/CountMetricProducer.cpp
index bd94800..5ca8814 100644
--- a/cmds/statsd/src/metrics/CountMetricProducer.cpp
+++ b/cmds/statsd/src/metrics/CountMetricProducer.cpp
@@ -143,6 +143,7 @@
 
 void CountMetricProducer::onDumpReportLocked(const int64_t dumpTimeNs,
                                              const bool include_current_partial_bucket,
+                                             const bool erase_data,
                                              std::set<string> *str_set,
                                              ProtoOutputStream* protoOutput) {
     if (include_current_partial_bucket) {
@@ -230,7 +231,9 @@
 
     protoOutput->end(protoToken);
 
-    mPastBuckets.clear();
+    if (erase_data) {
+        mPastBuckets.clear();
+    }
 }
 
 void CountMetricProducer::dropDataLocked(const int64_t dropTimeNs) {
diff --git a/cmds/statsd/src/metrics/CountMetricProducer.h b/cmds/statsd/src/metrics/CountMetricProducer.h
index 39d4ae2..1ac44264 100644
--- a/cmds/statsd/src/metrics/CountMetricProducer.h
+++ b/cmds/statsd/src/metrics/CountMetricProducer.h
@@ -56,6 +56,7 @@
 
     void onDumpReportLocked(const int64_t dumpTimeNs,
                             const bool include_current_partial_bucket,
+                            const bool erase_data,
                             std::set<string> *str_set,
                             android::util::ProtoOutputStream* protoOutput) override;
 
diff --git a/cmds/statsd/src/metrics/DurationMetricProducer.cpp b/cmds/statsd/src/metrics/DurationMetricProducer.cpp
index dd3402d..35deffe 100644
--- a/cmds/statsd/src/metrics/DurationMetricProducer.cpp
+++ b/cmds/statsd/src/metrics/DurationMetricProducer.cpp
@@ -453,6 +453,7 @@
 
 void DurationMetricProducer::onDumpReportLocked(const int64_t dumpTimeNs,
                                                 const bool include_current_partial_bucket,
+                                                const bool erase_data,
                                                 std::set<string> *str_set,
                                                 ProtoOutputStream* protoOutput) {
     if (include_current_partial_bucket) {
@@ -541,7 +542,9 @@
     }
 
     protoOutput->end(protoToken);
-    mPastBuckets.clear();
+    if (erase_data) {
+        mPastBuckets.clear();
+    }
 }
 
 void DurationMetricProducer::flushIfNeededLocked(const int64_t& eventTimeNs) {
diff --git a/cmds/statsd/src/metrics/DurationMetricProducer.h b/cmds/statsd/src/metrics/DurationMetricProducer.h
index 12addb8..1b830a3 100644
--- a/cmds/statsd/src/metrics/DurationMetricProducer.h
+++ b/cmds/statsd/src/metrics/DurationMetricProducer.h
@@ -63,6 +63,7 @@
 
     void onDumpReportLocked(const int64_t dumpTimeNs,
                             const bool include_current_partial_bucket,
+                            const bool erase_data,
                             std::set<string> *str_set,
                             android::util::ProtoOutputStream* protoOutput) override;
 
diff --git a/cmds/statsd/src/metrics/EventMetricProducer.cpp b/cmds/statsd/src/metrics/EventMetricProducer.cpp
index afd8ec2..a18e406 100644
--- a/cmds/statsd/src/metrics/EventMetricProducer.cpp
+++ b/cmds/statsd/src/metrics/EventMetricProducer.cpp
@@ -105,6 +105,7 @@
 
 void EventMetricProducer::onDumpReportLocked(const int64_t dumpTimeNs,
                                              const bool include_current_partial_bucket,
+                                             const bool erase_data,
                                              std::set<string> *str_set,
                                              ProtoOutputStream* protoOutput) {
     if (mProto->size() <= 0) {
@@ -120,7 +121,9 @@
     protoOutput->write(FIELD_TYPE_MESSAGE | FIELD_ID_EVENT_METRICS,
                        reinterpret_cast<char*>(buffer.get()->data()), buffer.get()->size());
 
-    mProto->clear();
+    if (erase_data) {
+        mProto->clear();
+    }
 }
 
 void EventMetricProducer::onConditionChangedLocked(const bool conditionMet,
diff --git a/cmds/statsd/src/metrics/EventMetricProducer.h b/cmds/statsd/src/metrics/EventMetricProducer.h
index 7f7aa37..96adfdd 100644
--- a/cmds/statsd/src/metrics/EventMetricProducer.h
+++ b/cmds/statsd/src/metrics/EventMetricProducer.h
@@ -47,6 +47,7 @@
 
     void onDumpReportLocked(const int64_t dumpTimeNs,
                             const bool include_current_partial_bucket,
+                            const bool erase_data,
                             std::set<string> *str_set,
                             android::util::ProtoOutputStream* protoOutput) override;
     void clearPastBucketsLocked(const int64_t dumpTimeNs) override;
diff --git a/cmds/statsd/src/metrics/GaugeMetricProducer.cpp b/cmds/statsd/src/metrics/GaugeMetricProducer.cpp
index f5a16e9..05103a9 100644
--- a/cmds/statsd/src/metrics/GaugeMetricProducer.cpp
+++ b/cmds/statsd/src/metrics/GaugeMetricProducer.cpp
@@ -182,6 +182,7 @@
 
 void GaugeMetricProducer::onDumpReportLocked(const int64_t dumpTimeNs,
                                              const bool include_current_partial_bucket,
+                                             const bool erase_data,
                                              std::set<string> *str_set,
                                              ProtoOutputStream* protoOutput) {
     VLOG("Gauge metric %lld report now...", (long long)mMetricId);
@@ -226,7 +227,6 @@
                            (long long)(NanoToMillis(pair.second)));
         protoOutput->end(wrapperToken);
     }
-    mSkippedBuckets.clear();
 
     for (const auto& pair : mPastBuckets) {
         const MetricDimensionKey& dimensionKey = pair.first;
@@ -304,7 +304,11 @@
     }
     protoOutput->end(protoToken);
 
-    mPastBuckets.clear();
+
+    if (erase_data) {
+        mPastBuckets.clear();
+        mSkippedBuckets.clear();
+    }
 }
 
 void GaugeMetricProducer::pullAndMatchEventsLocked(const int64_t timestampNs) {
diff --git a/cmds/statsd/src/metrics/GaugeMetricProducer.h b/cmds/statsd/src/metrics/GaugeMetricProducer.h
index 99827bb..5866139 100644
--- a/cmds/statsd/src/metrics/GaugeMetricProducer.h
+++ b/cmds/statsd/src/metrics/GaugeMetricProducer.h
@@ -94,6 +94,7 @@
 private:
     void onDumpReportLocked(const int64_t dumpTimeNs,
                             const bool include_current_partial_bucket,
+                            const bool erase_data,
                             std::set<string> *str_set,
                             android::util::ProtoOutputStream* protoOutput) override;
     void clearPastBucketsLocked(const int64_t dumpTimeNs) override;
diff --git a/cmds/statsd/src/metrics/MetricProducer.h b/cmds/statsd/src/metrics/MetricProducer.h
index b21fd50..127cbbd 100644
--- a/cmds/statsd/src/metrics/MetricProducer.h
+++ b/cmds/statsd/src/metrics/MetricProducer.h
@@ -133,10 +133,12 @@
     // This method clears all the past buckets.
     void onDumpReport(const int64_t dumpTimeNs,
                       const bool include_current_partial_bucket,
+                      const bool erase_data,
                       std::set<string> *str_set,
                       android::util::ProtoOutputStream* protoOutput) {
         std::lock_guard<std::mutex> lock(mMutex);
-        return onDumpReportLocked(dumpTimeNs, include_current_partial_bucket, str_set, protoOutput);
+        return onDumpReportLocked(dumpTimeNs, include_current_partial_bucket, erase_data,
+                str_set, protoOutput);
     }
 
     void clearPastBuckets(const int64_t dumpTimeNs) {
@@ -210,6 +212,7 @@
                                                   const int64_t eventTime) = 0;
     virtual void onDumpReportLocked(const int64_t dumpTimeNs,
                                     const bool include_current_partial_bucket,
+                                    const bool erase_data,
                                     std::set<string> *str_set,
                                     android::util::ProtoOutputStream* protoOutput) = 0;
     virtual void clearPastBucketsLocked(const int64_t dumpTimeNs) = 0;
diff --git a/cmds/statsd/src/metrics/MetricsManager.cpp b/cmds/statsd/src/metrics/MetricsManager.cpp
index f85ba1f..4244d5b 100644
--- a/cmds/statsd/src/metrics/MetricsManager.cpp
+++ b/cmds/statsd/src/metrics/MetricsManager.cpp
@@ -197,6 +197,7 @@
 
 void MetricsManager::onDumpReport(const int64_t dumpTimeStampNs,
                                   const bool include_current_partial_bucket,
+                                  const bool erase_data,
                                   std::set<string> *str_set,
                                   ProtoOutputStream* protoOutput) {
     VLOG("=========================Metric Reports Start==========================");
@@ -206,11 +207,11 @@
             uint64_t token = protoOutput->start(
                     FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_METRICS);
             if (mHashStringsInReport) {
-                producer->onDumpReport(dumpTimeStampNs, include_current_partial_bucket, str_set,
-                                       protoOutput);
+                producer->onDumpReport(dumpTimeStampNs, include_current_partial_bucket, erase_data,
+                                       str_set, protoOutput);
             } else {
-                producer->onDumpReport(dumpTimeStampNs, include_current_partial_bucket, nullptr,
-                                       protoOutput);
+                producer->onDumpReport(dumpTimeStampNs, include_current_partial_bucket, erase_data,
+                                       nullptr, protoOutput);
             }
             protoOutput->end(token);
         } else {
diff --git a/cmds/statsd/src/metrics/MetricsManager.h b/cmds/statsd/src/metrics/MetricsManager.h
index 649222ff..a4672b6 100644
--- a/cmds/statsd/src/metrics/MetricsManager.h
+++ b/cmds/statsd/src/metrics/MetricsManager.h
@@ -107,6 +107,7 @@
 
     virtual void onDumpReport(const int64_t dumpTimeNs,
                               const bool include_current_partial_bucket,
+                              const bool erase_data,
                               std::set<string> *str_set,
                               android::util::ProtoOutputStream* protoOutput);
 
diff --git a/cmds/statsd/src/metrics/ValueMetricProducer.cpp b/cmds/statsd/src/metrics/ValueMetricProducer.cpp
index 192a54b..6367479 100644
--- a/cmds/statsd/src/metrics/ValueMetricProducer.cpp
+++ b/cmds/statsd/src/metrics/ValueMetricProducer.cpp
@@ -170,6 +170,7 @@
 
 void ValueMetricProducer::onDumpReportLocked(const int64_t dumpTimeNs,
                                              const bool include_current_partial_bucket,
+                                             const bool erase_data,
                                              std::set<string> *str_set,
                                              ProtoOutputStream* protoOutput) {
     VLOG("metric %lld dump report now...", (long long)mMetricId);
@@ -211,7 +212,6 @@
                            (long long)(NanoToMillis(pair.second)));
         protoOutput->end(wrapperToken);
     }
-    mSkippedBuckets.clear();
 
     for (const auto& pair : mPastBuckets) {
         const MetricDimensionKey& dimensionKey = pair.first;
@@ -271,7 +271,10 @@
     protoOutput->end(protoToken);
 
     VLOG("metric %lld dump report now...", (long long)mMetricId);
-    mPastBuckets.clear();
+    if (erase_data) {
+        mPastBuckets.clear();
+        mSkippedBuckets.clear();
+    }
 }
 
 void ValueMetricProducer::onConditionChangedLocked(const bool condition,
diff --git a/cmds/statsd/src/metrics/ValueMetricProducer.h b/cmds/statsd/src/metrics/ValueMetricProducer.h
index b2f0b6f..8db2d95 100644
--- a/cmds/statsd/src/metrics/ValueMetricProducer.h
+++ b/cmds/statsd/src/metrics/ValueMetricProducer.h
@@ -94,6 +94,7 @@
 private:
     void onDumpReportLocked(const int64_t dumpTimeNs,
                             const bool include_current_partial_bucket,
+                            const bool erase_data,
                             std::set<string> *str_set,
                             android::util::ProtoOutputStream* protoOutput) override;
     void clearPastBucketsLocked(const int64_t dumpTimeNs) override;
diff --git a/cmds/statsd/tests/StatsLogProcessor_test.cpp b/cmds/statsd/tests/StatsLogProcessor_test.cpp
index b6f635c..8864252 100644
--- a/cmds/statsd/tests/StatsLogProcessor_test.cpp
+++ b/cmds/statsd/tests/StatsLogProcessor_test.cpp
@@ -168,7 +168,7 @@
 
     // Expect to get no metrics, but snapshot specified above in uidmap.
     vector<uint8_t> bytes;
-    p.onDumpReport(key, 1, false, ADB_DUMP, &bytes);
+    p.onDumpReport(key, 1, false, true, ADB_DUMP, &bytes);
 
     ConfigMetricsReportList output;
     output.ParseFromArray(bytes.data(), bytes.size());
@@ -197,7 +197,7 @@
 
     // Expect to get no metrics, but snapshot specified above in uidmap.
     vector<uint8_t> bytes;
-    p.onDumpReport(key, 1, false, ADB_DUMP, &bytes);
+    p.onDumpReport(key, 1, false, true, ADB_DUMP, &bytes);
 
     ConfigMetricsReportList output;
     output.ParseFromArray(bytes.data(), bytes.size());
@@ -227,7 +227,7 @@
 
     // Expect to get no metrics, but snapshot specified above in uidmap.
     vector<uint8_t> bytes;
-    p.onDumpReport(key, 1, false, ADB_DUMP, &bytes);
+    p.onDumpReport(key, 1, false, true, ADB_DUMP, &bytes);
 
     ConfigMetricsReportList output;
     output.ParseFromArray(bytes.data(), bytes.size());
diff --git a/cmds/statsd/tests/e2e/Attribution_e2e_test.cpp b/cmds/statsd/tests/e2e/Attribution_e2e_test.cpp
index a8fcc81..5c47af7 100644
--- a/cmds/statsd/tests/e2e/Attribution_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/Attribution_e2e_test.cpp
@@ -144,8 +144,8 @@
     }
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 4 * bucketSizeNs + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 4 * bucketSizeNs + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -290,8 +290,8 @@
     }
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 4 * bucketSizeNs + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 4 * bucketSizeNs + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
diff --git a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_AND_cond_test.cpp b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_AND_cond_test.cpp
index 75bd40f..a8914da 100644
--- a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_AND_cond_test.cpp
+++ b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_AND_cond_test.cpp
@@ -212,7 +212,7 @@
                 ConfigMetricsReportList reports;
                 vector<uint8_t> buffer;
                 processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false,
-                                        ADB_DUMP, &buffer);
+                                        true, ADB_DUMP, &buffer);
                 EXPECT_TRUE(buffer.size() > 0);
                 EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
                 backfillDimensionPath(&reports);
@@ -548,7 +548,7 @@
             ConfigMetricsReportList reports;
             vector<uint8_t> buffer;
             processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false,
-                                    ADB_DUMP, &buffer);
+                                    true, ADB_DUMP, &buffer);
             EXPECT_TRUE(buffer.size() > 0);
             EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
             backfillDimensionPath(&reports);
@@ -798,7 +798,7 @@
             ConfigMetricsReportList reports;
             vector<uint8_t> buffer;
             processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false,
-                                    ADB_DUMP, &buffer);
+                                    true, ADB_DUMP, &buffer);
             EXPECT_TRUE(buffer.size() > 0);
             EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
             backfillDimensionPath(&reports);
diff --git a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_OR_cond_test.cpp b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_OR_cond_test.cpp
index c5a8a2e..621b6ed 100644
--- a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_OR_cond_test.cpp
+++ b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_combination_OR_cond_test.cpp
@@ -130,8 +130,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -346,8 +346,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -530,8 +530,8 @@
 
         ConfigMetricsReportList reports;
         vector<uint8_t> buffer;
-        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
-                                &buffer);
+        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, true,
+                                ADB_DUMP, &buffer);
         EXPECT_TRUE(buffer.size() > 0);
         EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
         backfillDimensionPath(&reports);
@@ -732,8 +732,8 @@
 
         ConfigMetricsReportList reports;
         vector<uint8_t> buffer;
-        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
-                                &buffer);
+        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, true,
+                                ADB_DUMP, &buffer);
         EXPECT_TRUE(buffer.size() > 0);
         EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
         backfillDimensionPath(&reports);
diff --git a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_simple_cond_test.cpp b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_simple_cond_test.cpp
index 5bcc9ee..9f8acaf 100644
--- a/cmds/statsd/tests/e2e/DimensionInCondition_e2e_simple_cond_test.cpp
+++ b/cmds/statsd/tests/e2e/DimensionInCondition_e2e_simple_cond_test.cpp
@@ -143,7 +143,7 @@
             ConfigMetricsReportList reports;
             vector<uint8_t> buffer;
             processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false,
-                                    ADB_DUMP, &buffer);
+                                    true, ADB_DUMP, &buffer);
             EXPECT_TRUE(buffer.size() > 0);
             EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
             backfillDimensionPath(&reports);
@@ -438,7 +438,7 @@
             ConfigMetricsReportList reports;
             vector<uint8_t> buffer;
             processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false,
-                                    ADB_DUMP, &buffer);
+                                    true, ADB_DUMP, &buffer);
             EXPECT_TRUE(buffer.size() > 0);
             EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
             backfillDimensionPath(&reports);
@@ -658,8 +658,8 @@
 
         ConfigMetricsReportList reports;
         vector<uint8_t> buffer;
-        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
-                                &buffer);
+        processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, true,
+                                ADB_DUMP, &buffer);
         EXPECT_TRUE(buffer.size() > 0);
         EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
         backfillDimensionPath(&reports);
diff --git a/cmds/statsd/tests/e2e/GaugeMetric_e2e_pull_test.cpp b/cmds/statsd/tests/e2e/GaugeMetric_e2e_pull_test.cpp
index d7b9c11..2d090e0 100644
--- a/cmds/statsd/tests/e2e/GaugeMetric_e2e_pull_test.cpp
+++ b/cmds/statsd/tests/e2e/GaugeMetric_e2e_pull_test.cpp
@@ -123,8 +123,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -246,8 +246,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 8 * bucketSizeNs + 10, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 8 * bucketSizeNs + 10, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -350,8 +350,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
diff --git a/cmds/statsd/tests/e2e/GaugeMetric_e2e_push_test.cpp b/cmds/statsd/tests/e2e/GaugeMetric_e2e_push_test.cpp
index 5c1ef01..71afedf 100644
--- a/cmds/statsd/tests/e2e/GaugeMetric_e2e_push_test.cpp
+++ b/cmds/statsd/tests/e2e/GaugeMetric_e2e_push_test.cpp
@@ -149,8 +149,8 @@
         }
         ConfigMetricsReportList reports;
         vector<uint8_t> buffer;
-        processor->onDumpReport(cfgKey, bucketStartTimeNs + 3 * bucketSizeNs, false, ADB_DUMP,
-                                &buffer);
+        processor->onDumpReport(cfgKey, bucketStartTimeNs + 3 * bucketSizeNs, false, true,
+                                ADB_DUMP, &buffer);
         EXPECT_TRUE(buffer.size() > 0);
         EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
         backfillDimensionPath(&reports);
diff --git a/cmds/statsd/tests/e2e/MetricActivation_e2e_test.cpp b/cmds/statsd/tests/e2e/MetricActivation_e2e_test.cpp
index 0f13a4a..29e86f3 100644
--- a/cmds/statsd/tests/e2e/MetricActivation_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/MetricActivation_e2e_test.cpp
@@ -167,8 +167,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + NS_PER_SEC * 60 * 15 + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + NS_PER_SEC * 60 * 15 + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
diff --git a/cmds/statsd/tests/e2e/MetricConditionLink_e2e_test.cpp b/cmds/statsd/tests/e2e/MetricConditionLink_e2e_test.cpp
index cc8894b..9349c85 100644
--- a/cmds/statsd/tests/e2e/MetricConditionLink_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/MetricConditionLink_e2e_test.cpp
@@ -199,8 +199,8 @@
     }
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -318,8 +318,8 @@
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
 
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
diff --git a/cmds/statsd/tests/e2e/PartialBucket_e2e_test.cpp b/cmds/statsd/tests/e2e/PartialBucket_e2e_test.cpp
index 67acd61..3cb553f 100644
--- a/cmds/statsd/tests/e2e/PartialBucket_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/PartialBucket_e2e_test.cpp
@@ -46,7 +46,7 @@
     IPCThreadState* ipc = IPCThreadState::self();
     ConfigKey configKey(ipc->getCallingUid(), kConfigKey);
     processor->onDumpReport(configKey, timestamp, include_current /* include_current_bucket*/,
-                            ADB_DUMP, &output);
+                            true /* erase_data */, ADB_DUMP, &output);
     ConfigMetricsReportList reports;
     reports.ParseFromArray(output.data(), output.size());
     EXPECT_EQ(1, reports.reports_size());
diff --git a/cmds/statsd/tests/e2e/ValueMetric_pull_e2e_test.cpp b/cmds/statsd/tests/e2e/ValueMetric_pull_e2e_test.cpp
index f2e8f58..fed5a3f 100644
--- a/cmds/statsd/tests/e2e/ValueMetric_pull_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/ValueMetric_pull_e2e_test.cpp
@@ -117,8 +117,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 7 * bucketSizeNs + 10, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -224,8 +224,8 @@
 
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, configAddedTimeNs + 9 * bucketSizeNs + 10, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, configAddedTimeNs + 9 * bucketSizeNs + 10, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
diff --git a/cmds/statsd/tests/e2e/WakelockDuration_e2e_test.cpp b/cmds/statsd/tests/e2e/WakelockDuration_e2e_test.cpp
index b9d0c62..6d1317c 100644
--- a/cmds/statsd/tests/e2e/WakelockDuration_e2e_test.cpp
+++ b/cmds/statsd/tests/e2e/WakelockDuration_e2e_test.cpp
@@ -127,8 +127,8 @@
     FeedEvents(config, processor);
     vector<uint8_t> buffer;
     ConfigMetricsReportList reports;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -164,8 +164,8 @@
     FeedEvents(config, processor);
     vector<uint8_t> buffer;
     ConfigMetricsReportList reports;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -215,8 +215,8 @@
         processor->OnLogEvent(event.get());
     }
 
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 6 * bucketSizeNs + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 6 * bucketSizeNs + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -248,8 +248,8 @@
     FeedEvents(config, processor);
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs - 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
 
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
@@ -277,8 +277,8 @@
     FeedEvents(config, processor);
     ConfigMetricsReportList reports;
     vector<uint8_t> buffer;
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 2 * bucketSizeNs + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
@@ -323,8 +323,8 @@
         processor->OnLogEvent(event.get());
     }
 
-    processor->onDumpReport(cfgKey, bucketStartTimeNs + 6 * bucketSizeNs + 1, false, ADB_DUMP,
-                            &buffer);
+    processor->onDumpReport(cfgKey, bucketStartTimeNs + 6 * bucketSizeNs + 1, false, true,
+                            ADB_DUMP, &buffer);
     EXPECT_TRUE(buffer.size() > 0);
     EXPECT_TRUE(reports.ParseFromArray(&buffer[0], buffer.size()));
     backfillDimensionPath(&reports);
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index 508ea3b..f267169 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -66,6 +66,8 @@
 import android.hardware.hdmi.HdmiControlManager;
 import android.hardware.hdmi.IHdmiControlService;
 import android.hardware.input.InputManager;
+import android.hardware.iris.IrisManager;
+import android.hardware.iris.IIrisService;
 import android.hardware.location.ContextHubManager;
 import android.hardware.radio.RadioManager;
 import android.hardware.usb.IUsbManager;
@@ -836,6 +838,18 @@
                     }
                 });
 
+        registerService(Context.IRIS_SERVICE, IrisManager.class,
+                new CachedServiceFetcher<IrisManager>() {
+                    @Override
+                    public IrisManager createService(ContextImpl ctx)
+                        throws ServiceNotFoundException {
+                        final IBinder binder =
+                                ServiceManager.getServiceOrThrow(Context.IRIS_SERVICE);
+                        IIrisService service = IIrisService.Stub.asInterface(binder);
+                        return new IrisManager(ctx.getOuterContext(), service);
+                    }
+                });
+
         registerService(Context.BIOMETRIC_SERVICE, BiometricManager.class,
                 new CachedServiceFetcher<BiometricManager>() {
                     @Override
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index e378800..6a7829b 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -3706,6 +3706,17 @@
 
     /**
      * Use with {@link #getSystemService(String)} to retrieve a
+     * {@link android.hardware.iris.IrisManager} for handling management
+     * of iris authentication.
+     *
+     * @hide
+     * @see #getSystemService
+     * @see android.hardware.iris.IrisManager
+     */
+    public static final String IRIS_SERVICE = "iris";
+
+    /**
+     * Use with {@link #getSystemService(String)} to retrieve a
      * {@link android.hardware.biometrics.BiometricManager} for handling management
      * of face authentication.
      *
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 1f700f7..67b86c0 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -855,6 +855,14 @@
      */
     public static final int INSTALL_VIRTUAL_PRELOAD = 0x00010000;
 
+    /**
+     * Flag parameter for {@link #installPackage} to indicate that this package
+     * is an APEX package
+     *
+     * @hide
+     */
+    public static final int INSTALL_APEX = 0x00020000;
+
     /** @hide */
     @IntDef(flag = true, prefix = { "DONT_KILL_APP" }, value = {
             DONT_KILL_APP
diff --git a/core/java/android/hardware/iris/IIrisService.aidl b/core/java/android/hardware/iris/IIrisService.aidl
new file mode 100644
index 0000000..8cf3c13
--- /dev/null
+++ b/core/java/android/hardware/iris/IIrisService.aidl
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2018 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.hardware.iris;
+
+/**
+ * Communication channel from client to the iris service. These methods are all require the
+ * MANAGE_BIOMETRIC signature permission.
+ * @hide
+ */
+interface IIrisService {
+}
\ No newline at end of file
diff --git a/core/java/android/hardware/iris/IrisManager.java b/core/java/android/hardware/iris/IrisManager.java
new file mode 100644
index 0000000..281ac47
--- /dev/null
+++ b/core/java/android/hardware/iris/IrisManager.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018 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.hardware.iris;
+
+import android.annotation.SystemService;
+import android.content.Context;
+
+/**
+ * A class that coordinates access to the iris authentication hardware.
+ * @hide
+ */
+@SystemService(Context.IRIS_SERVICE)
+public class IrisManager {
+
+    /**
+     * @hide
+     */
+    public IrisManager(Context context, IIrisService service) {
+    }
+}
diff --git a/core/java/android/hardware/location/ContextHubManager.java b/core/java/android/hardware/location/ContextHubManager.java
index b0b77f3..9acefa5 100644
--- a/core/java/android/hardware/location/ContextHubManager.java
+++ b/core/java/android/hardware/location/ContextHubManager.java
@@ -808,7 +808,7 @@
      *
      * @throws IllegalArgumentException if hubInfo does not represent a valid hub, or pendingIntent
      *                                  was not associated with a client
-     * @throws IllegalStateException    if there were too many registered clients at the service
+     * @throws IllegalStateException    if the client is already registered to a valid callback
      * @throws NullPointerException     if pendingIntent, hubInfo, callback, or executor is null
      *
      * @hide
@@ -818,8 +818,24 @@
             @NonNull PendingIntent pendingIntent, @NonNull ContextHubInfo hubInfo,
             @NonNull ContextHubClientCallback callback,
             @NonNull @CallbackExecutor Executor executor) {
-        // TODO: Implement this
-        throw new UnsupportedOperationException("Not implemented yet");
+        Preconditions.checkNotNull(pendingIntent, "PendingIntent cannot be null");
+        Preconditions.checkNotNull(callback, "Callback cannot be null");
+        Preconditions.checkNotNull(hubInfo, "ContextHubInfo cannot be null");
+        Preconditions.checkNotNull(executor, "Executor cannot be null");
+
+        ContextHubClient client = new ContextHubClient(hubInfo);
+        IContextHubClientCallback clientInterface = createClientCallback(
+                client, callback, executor);
+
+        IContextHubClient clientProxy;
+        try {
+            clientProxy = mService.bindClient(pendingIntent, clientInterface, hubInfo.getId());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+
+        client.setClientProxy(clientProxy);
+        return client;
     }
 
     /**
@@ -833,7 +849,7 @@
      *
      * @throws IllegalArgumentException if hubInfo does not represent a valid hub, or pendingIntent
      *                                  was not associated with a client
-     * @throws IllegalStateException    if there were too many registered clients at the service
+     * @throws IllegalStateException    if the client is already registered to a valid callback
      * @throws NullPointerException     if pendingIntent, hubInfo, or callback is null
      *
      * @hide
diff --git a/core/java/android/hardware/location/IContextHubService.aidl b/core/java/android/hardware/location/IContextHubService.aidl
index 233e857..9b0acdf 100644
--- a/core/java/android/hardware/location/IContextHubService.aidl
+++ b/core/java/android/hardware/location/IContextHubService.aidl
@@ -17,6 +17,7 @@
 package android.hardware.location;
 
 // Declare any non-default types here with import statements
+import android.app.PendingIntent;
 import android.hardware.location.ContextHubInfo;
 import android.hardware.location.ContextHubMessage;
 import android.hardware.location.NanoApp;
@@ -60,6 +61,11 @@
     // Creates a client to send and receive messages
     IContextHubClient createClient(in IContextHubClientCallback client, int contextHubId);
 
+    // Binds an existing client to a new callback interface, provided a previously registered
+    // PendingIntent
+    IContextHubClient bindClient(
+            in PendingIntent pendingIntent, in IContextHubClientCallback client, int contextHubId);
+
     // Returns a list of ContextHub objects of available hubs
     List<ContextHubInfo> getContextHubs();
 
diff --git a/core/java/android/util/FeatureFlagUtils.java b/core/java/android/util/FeatureFlagUtils.java
index 2d67d79..769dd1b 100644
--- a/core/java/android/util/FeatureFlagUtils.java
+++ b/core/java/android/util/FeatureFlagUtils.java
@@ -36,6 +36,7 @@
     public static final String PERSIST_PREFIX = "persist." + FFLAG_OVERRIDE_PREFIX;
     public static final String HEARING_AID_SETTINGS = "settings_bluetooth_hearing_aid";
     public static final String EMERGENCY_DIAL_SHORTCUTS = "settings_emergency_dial_shortcuts";
+    public static final String SAFETY_HUB = "settings_safety_hub";
     public static final String SCREENRECORD_LONG_PRESS = "settings_screenrecord_long_press";
 
     private static final Map<String, String> DEFAULT_FLAGS;
@@ -51,6 +52,7 @@
         DEFAULT_FLAGS.put(HEARING_AID_SETTINGS, "false");
         DEFAULT_FLAGS.put(EMERGENCY_DIAL_SHORTCUTS, "true");
         DEFAULT_FLAGS.put("settings_network_and_internet_v2", "false");
+        DEFAULT_FLAGS.put(SAFETY_HUB, "false");
         DEFAULT_FLAGS.put(SCREENRECORD_LONG_PRESS, "false");
     }
 
diff --git a/core/java/com/android/internal/app/procstats/ProcessStats.java b/core/java/com/android/internal/app/procstats/ProcessStats.java
index e7ac566..19d8a83 100644
--- a/core/java/com/android/internal/app/procstats/ProcessStats.java
+++ b/core/java/com/android/internal/app/procstats/ProcessStats.java
@@ -1396,6 +1396,11 @@
         return as;
     }
 
+    // See b/118826162 -- to avoid logspaming, we rate limit the WTF.
+    private static final long INVERSE_PROC_STATE_WTF_MIN_INTERVAL_MS = 10_000L;
+    private long mNextInverseProcStateWtfUptime;
+    private int mSkippedInverseProcStateWtfCount;
+
     public void updateTrackingAssociationsLocked(int curSeq, long now) {
         final int NUM = mTrackingAssociations.size();
         for (int i = NUM - 1; i >= 0; i--) {
@@ -1417,12 +1422,24 @@
                     } else {
                         act.stopActive(now);
                         if (act.mProcState < procState) {
-                            Slog.w(TAG, "Tracking association " + act + " whose proc state "
-                                    + act.mProcState + " is better than process " + proc
-                                    + " proc state " + procState);
+                            final long nowUptime = SystemClock.uptimeMillis();
+                            if (mNextInverseProcStateWtfUptime > nowUptime) {
+                                mSkippedInverseProcStateWtfCount++;
+                            } else {
+                                // TODO We still see it during boot related to GMS-core.
+                                // b/118826162
+                                Slog.wtf(TAG, "Tracking association " + act + " whose proc state "
+                                        + act.mProcState + " is better than process " + proc
+                                        + " proc state " + procState
+                                        + " (" +  mSkippedInverseProcStateWtfCount + " skipped)");
+                                mSkippedInverseProcStateWtfCount = 0;
+                                mNextInverseProcStateWtfUptime =
+                                        nowUptime + INVERSE_PROC_STATE_WTF_MIN_INTERVAL_MS;
+                            }
                         }
                     }
                 } else {
+                    // Don't need rate limiting on it.
                     Slog.wtf(TAG, "Tracking association without process: " + act
                             + " in " + act.getAssociationState());
                 }
diff --git a/core/java/com/android/internal/widget/LockPatternView.java b/core/java/com/android/internal/widget/LockPatternView.java
index b799728..25a5a07 100644
--- a/core/java/com/android/internal/widget/LockPatternView.java
+++ b/core/java/com/android/internal/widget/LockPatternView.java
@@ -69,7 +69,7 @@
     private static final int ASPECT_LOCK_HEIGHT = 2; // Fixed height; width will be minimum of (w,h)
 
     private static final boolean PROFILE_DRAWING = false;
-    private static final float LINE_FADE_ALPHA_MULTIPLIER = 3.5f;
+    private static final float LINE_FADE_ALPHA_MULTIPLIER = 1.5f;
     private final CellState[][] mCellStates;
 
     private final int mDotSize;
diff --git a/core/proto/android/os/incident.proto b/core/proto/android/os/incident.proto
index 8f28970..0b9e347 100644
--- a/core/proto/android/os/incident.proto
+++ b/core/proto/android/os/incident.proto
@@ -26,6 +26,7 @@
 import "frameworks/base/core/proto/android/os/pagetypeinfo.proto";
 import "frameworks/base/core/proto/android/os/procrank.proto";
 import "frameworks/base/core/proto/android/os/ps.proto";
+import "frameworks/base/core/proto/android/os/statsdata.proto";
 import "frameworks/base/core/proto/android/os/system_properties.proto";
 import "frameworks/base/core/proto/android/providers/settings.proto";
 import "frameworks/base/core/proto/android/server/activitymanagerservice.proto";
@@ -301,6 +302,12 @@
         (section).userdebug_and_eng_only = true
     ];
 
+    optional android.os.StatsDataDumpProto stats_data = 3023 [
+        (section).type = SECTION_DUMPSYS,
+        (section).args = "stats --proto",
+        (section).userdebug_and_eng_only = true
+    ];
+
     // Reserved for OEMs.
     extensions 50000 to 100000;
 }
diff --git a/core/proto/android/os/statsdata.proto b/core/proto/android/os/statsdata.proto
new file mode 100644
index 0000000..25d76b8
--- /dev/null
+++ b/core/proto/android/os/statsdata.proto
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+syntax = "proto2";
+option java_multiple_files = true;
+
+package android.os;
+
+import "frameworks/base/libs/incident/proto/android/privacy.proto";
+
+// Dump of statsd report data (dumpsys stats --proto).
+message StatsDataDumpProto {
+    option (android.msg_privacy).dest = DEST_AUTOMATIC;
+
+    // The following is an android.os.statsd.ConfigMetricsReportList, which is defined
+    // in frameworks/base/cmds/statsd/src/stats_log.proto. It should not be imported (even weakly)
+    // in AOSP because it would drag with it atoms.proto, which is enormous and awkward.
+    repeated bytes config_metrics_report_list = 1;
+
+}
\ No newline at end of file
diff --git a/core/res/res/xml/sms_short_codes.xml b/core/res/res/xml/sms_short_codes.xml
index 7b3d940..7163769 100644
--- a/core/res/res/xml/sms_short_codes.xml
+++ b/core/res/res/xml/sms_short_codes.xml
@@ -187,7 +187,7 @@
     <shortcode country="my" pattern="\\d{5}" premium="32298|33776" free="22099|28288" />
 
     <!-- The Netherlands, 4 digits, known premium codes listed, plus EU -->
-    <shortcode country="nl" pattern="\\d{4}" premium="4466|5040" free="116\\d{3}|2223|6225|2223" />
+    <shortcode country="nl" pattern="\\d{4}" premium="4466|5040" free="116\\d{3}|2223|6225|2223|1662" />
 
     <!-- Nigeria -->
     <shortcode country="ng" pattern="\\d{1,5}" free="2441" />
diff --git a/packages/SystemUI/README.md b/packages/SystemUI/README.md
index 33c5551..a8ce196 100644
--- a/packages/SystemUI/README.md
+++ b/packages/SystemUI/README.md
@@ -164,7 +164,7 @@
 
 ### [com.android.systemui.biometrics.BiometricDialogImpl](/packages/SystemUI/src/com/android/systemui/biometrics/BiometricDialogImpl.java)
 
-Fingerprint UI.
+Biometric UI.
 
 ---
 
diff --git a/packages/SystemUI/res-keyguard/values/styles.xml b/packages/SystemUI/res-keyguard/values/styles.xml
index 0462347..9baeaaa 100644
--- a/packages/SystemUI/res-keyguard/values/styles.xml
+++ b/packages/SystemUI/res-keyguard/values/styles.xml
@@ -64,6 +64,7 @@
         <item name="android:paddingBottom">@dimen/bottom_text_spacing_digital</item>
         <item name="android:fontFamily">@*android:string/config_headlineFontFamilyLight</item>
         <item name="android:fontFeatureSettings">@*android:string/config_headlineFontFeatureSettings</item>
+        <item name="android:ellipsize">none</item>
     </style>
 
     <style name="BouncerSecurityContainer">
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index d631fa8..52b0275 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -17355,8 +17355,6 @@
             }
         }
 
-        mProcessStats.updateTrackingAssociationsLocked(mAdjSeq, now);
-
         incrementProcStateSeqAndNotifyAppsLocked();
 
         mNumServiceProcs = mNewNumServiceProcs;
@@ -17618,6 +17616,9 @@
             mHandler.post(new ProcStatsRunnable(ActivityManagerService.this, mProcessStats));
         }
 
+        // Run this after making sure all procstates are updated.
+        mProcessStats.updateTrackingAssociationsLocked(mAdjSeq, now);
+
         if (DEBUG_OOM_ADJ) {
             final long duration = SystemClock.uptimeMillis() - now;
             if (false) {
diff --git a/services/core/java/com/android/server/biometrics/face/FaceService.java b/services/core/java/com/android/server/biometrics/face/FaceService.java
index 5d4263b..bc3cc3b 100644
--- a/services/core/java/com/android/server/biometrics/face/FaceService.java
+++ b/services/core/java/com/android/server/biometrics/face/FaceService.java
@@ -70,7 +70,7 @@
 /**
  * A service to manage multiple clients that want to access the face HAL API.
  * The service is responsible for maintaining a list of clients and dispatching all
- * face -related events.
+ * face-related events.
  *
  * @hide
  */
diff --git a/services/core/java/com/android/server/biometrics/iris/IrisService.java b/services/core/java/com/android/server/biometrics/iris/IrisService.java
new file mode 100644
index 0000000..37cdc2a
--- /dev/null
+++ b/services/core/java/com/android/server/biometrics/iris/IrisService.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2018 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.biometrics.iris;
+
+import android.content.Context;
+
+import com.android.server.biometrics.BiometricServiceBase;
+import com.android.server.biometrics.BiometricUtils;
+import com.android.server.biometrics.Metrics;
+
+/**
+ * A service to manage multiple clients that want to access the Iris HAL API.
+ * The service is responsible for maintaining a list of clients and dispatching all
+ * iris-related events.
+ *
+ * TODO: The vendor is expected to fill in the service. See
+ * {@link com.android.server.biometrics.fingerprint.FingerprintService}
+ *
+ * @hide
+ */
+public class IrisService extends BiometricServiceBase {
+
+    private static final String TAG = "IrisService";
+
+    /**
+     * Initializes the system service.
+     * <p>
+     * Subclasses must define a single argument constructor that accepts the context
+     * and passes it to super.
+     * </p>
+     *
+     * @param context The system server context.
+     */
+    public IrisService(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+    }
+
+    @Override
+    protected String getTag() {
+        return TAG;
+    }
+
+    @Override
+    protected BiometricUtils getBiometricUtils() {
+        return null;
+    }
+
+    @Override
+    protected int getFailedAttemptsLockoutTimed() {
+        return 0;
+    }
+
+    @Override
+    protected int getFailedAttemptsLockoutPermanent() {
+        return 0;
+    }
+
+    @Override
+    protected Metrics getMetrics() {
+        return null;
+    }
+
+    @Override
+    protected boolean hasReachedEnrollmentLimit(int userId) {
+        return false;
+    }
+
+    @Override
+    protected void updateActiveGroup(int userId, String clientPackage) {
+
+    }
+
+    @Override
+    protected String getLockoutResetIntent() {
+        return null;
+    }
+
+    @Override
+    protected String getLockoutBroadcastPermission() {
+        return null;
+    }
+
+    @Override
+    protected long getHalDeviceId() {
+        return 0;
+    }
+
+    @Override
+    protected void handleUserSwitching(int userId) {
+
+    }
+
+    @Override
+    protected boolean hasEnrolledBiometrics(int userId) {
+        return false;
+    }
+
+    @Override
+    protected String getManageBiometricPermission() {
+        return null;
+    }
+
+    @Override
+    protected void checkUseBiometricPermission() {
+
+    }
+
+    @Override
+    protected boolean checkAppOps(int uid, String opPackageName) {
+        return false;
+    }
+}
diff --git a/services/core/java/com/android/server/location/ContextHubClientBroker.java b/services/core/java/com/android/server/location/ContextHubClientBroker.java
index 60f70c7..6423470 100644
--- a/services/core/java/com/android/server/location/ContextHubClientBroker.java
+++ b/services/core/java/com/android/server/location/ContextHubClientBroker.java
@@ -159,25 +159,12 @@
 
     /* package */ ContextHubClientBroker(
             Context context, IContexthub contextHubProxy, ContextHubClientManager clientManager,
-            ContextHubInfo contextHubInfo, short hostEndPointId,
-            IContextHubClientCallback callback) {
+            ContextHubInfo contextHubInfo, short hostEndPointId) {
         mContext = context;
         mContextHubProxy = contextHubProxy;
         mClientManager = clientManager;
         mAttachedContextHubInfo = contextHubInfo;
         mHostEndPointId = hostEndPointId;
-        mCallbackInterface = callback;
-    }
-
-    /**
-     * Attaches a death recipient for this client
-     *
-     * @throws RemoteException if the client has already died
-     */
-    /* package */ synchronized void attachDeathRecipient() throws RemoteException {
-        if (mCallbackInterface != null) {
-            mCallbackInterface.asBinder().linkToDeath(this, 0 /* flags */);
-        }
     }
 
     /**
@@ -245,9 +232,15 @@
     public boolean unregisterIntent(PendingIntent pendingIntent) {
         ContextHubServiceUtil.checkPermissions(mContext);
 
+        boolean success = false;
         synchronized (this) {
-            return mPendingIntentRequest.unregister(pendingIntent);
+            success = mPendingIntentRequest.unregister(pendingIntent);
+            if (mCallbackInterface == null) {
+                close();
+            }
         }
+
+        return success;
     }
 
     /**
@@ -276,6 +269,37 @@
     }
 
     /**
+     * Sets the callback interface for this client, only if the callback is currently unregistered.
+     *
+     * Also attaches a death recipient to a ContextHubClientBroker object. If unsuccessful, the
+     * connection is closed.
+     *
+     * @param callback the callback interface
+     * @return true if the callback was successfully set, false otherwise
+     *
+     * @throws IllegalStateException if the client has already been registered to a callback
+     */
+    /* package */
+    synchronized boolean setCallback(IContextHubClientCallback callback) {
+        boolean success = false;
+        if (mCallbackInterface != null) {
+            throw new IllegalStateException("Client is already registered with a callback");
+        } else {
+            mCallbackInterface = callback;
+            try {
+                mCallbackInterface.asBinder().linkToDeath(this, 0 /* flags */);
+                success = true;
+            } catch (RemoteException e) {
+                // The client process has died, so we close the connection.
+                Log.e(TAG, "Failed to attach death recipient to client");
+                close();
+            }
+        }
+
+        return success;
+    }
+
+    /**
      * @return the ID of the context hub this client is attached to
      */
     /* package */ int getAttachedContextHubId() {
@@ -347,6 +371,18 @@
     }
 
     /**
+     * @param intent the PendingIntent to compare to
+     * @return true if the given PendingIntent is currently registered, false otherwise
+     */
+    /* package */ boolean hasPendingIntent(PendingIntent intent) {
+        PendingIntent pendingIntent = null;
+        synchronized (this) {
+            pendingIntent = mPendingIntentRequest.getPendingIntent();
+        }
+        return (pendingIntent != null) && pendingIntent.equals(intent);
+    }
+
+    /**
      * Helper function to invoke a specified client callback, if the connection is open.
      *
      * @param consumer the consumer specifying the callback to invoke
@@ -407,6 +443,9 @@
                 Log.w(TAG, "PendingIntent has been canceled, unregistering from client"
                         + " (host endpoint ID " + mHostEndPointId + ")");
                 mPendingIntentRequest.clear();
+                if (mCallbackInterface == null) {
+                    close();
+                }
             }
         }
     }
diff --git a/services/core/java/com/android/server/location/ContextHubClientManager.java b/services/core/java/com/android/server/location/ContextHubClientManager.java
index eda8c6f..72879dd 100644
--- a/services/core/java/com/android/server/location/ContextHubClientManager.java
+++ b/services/core/java/com/android/server/location/ContextHubClientManager.java
@@ -16,6 +16,7 @@
 
 package com.android.server.location;
 
+import android.app.PendingIntent;
 import android.content.Context;
 import android.hardware.contexthub.V1_0.ContextHubMsg;
 import android.hardware.contexthub.V1_0.IContexthub;
@@ -88,15 +89,9 @@
      */
     /* package */ IContextHubClient registerClient(
             IContextHubClientCallback clientCallback, ContextHubInfo contextHubInfo) {
-        ContextHubClientBroker broker = createNewClientBroker(clientCallback, contextHubInfo);
-
-        try {
-            broker.attachDeathRecipient();
-        } catch (RemoteException e) {
-            // The client process has died, so we close the connection and return null.
-            Log.e(TAG, "Failed to attach death recipient to client");
-            broker.close();
-            return null;
+        ContextHubClientBroker broker = createNewClientBroker(contextHubInfo);
+        if (!broker.setCallback(clientCallback)) {
+            return null; // Client process has died, so we return null
         }
 
         Log.d(TAG, "Registered client with host endpoint ID " + broker.getHostEndPointId());
@@ -104,6 +99,36 @@
     }
 
     /**
+     * Binds a existing and registered client with a new callback interface, provided a previously
+     * registered PendingIntent.
+     *
+     * @param pendingIntent  a previously registered PendingIntent for a registered client
+     * @param clientCallback the callback interface of the client to bind to
+     * @param contextHubId   the ID of the hub this client is attached to
+     *
+     * @return the client interface
+     *
+     * @throws IllegalArgumentException if no matching client is found
+     * @throws IllegalStateException    if the client has already been registered to a callback
+     */
+    /* package */ IContextHubClient bindClient(
+            PendingIntent pendingIntent, IContextHubClientCallback clientCallback,
+            int contextHubId) {
+        ContextHubClientBroker broker = getClientBroker(pendingIntent, contextHubId);
+        if (broker == null) {
+            throw new IllegalArgumentException("Could not find client of Context Hub (ID = "
+                    + contextHubId + ") with PendingIntent");
+        }
+
+        if (!broker.setCallback(clientCallback)) {
+            return null; // Client process has died, so we return null
+        }
+
+        Log.d(TAG, "Re-registered client with host endpoint ID " + broker.getHostEndPointId());
+        return IContextHubClient.Stub.asInterface(broker);
+    }
+
+    /**
      * Handles a message sent from a nanoapp.
      *
      * @param contextHubId the ID of the hub where the nanoapp sent the message from
@@ -182,7 +207,6 @@
      * Creates a new ContextHubClientBroker object for a client and registers it with the client
      * manager.
      *
-     * @param clientCallback the callback interface of the client to register
      * @param contextHubInfo the object describing the hub this client is attached to
      *
      * @return the ContextHubClientBroker object
@@ -190,7 +214,7 @@
      * @throws IllegalStateException if max number of clients have already registered
      */
     private synchronized ContextHubClientBroker createNewClientBroker(
-            IContextHubClientCallback clientCallback, ContextHubInfo contextHubInfo) {
+            ContextHubInfo contextHubInfo) {
         if (mHostEndPointIdToClientMap.size() == MAX_CLIENT_ID + 1) {
             throw new IllegalStateException("Could not register client - max limit exceeded");
         }
@@ -200,8 +224,7 @@
         for (int i = 0; i <= MAX_CLIENT_ID; i++) {
             if (!mHostEndPointIdToClientMap.containsKey((short) id)) {
                 broker = new ContextHubClientBroker(
-                        mContext, mContextHubProxy, this, contextHubInfo, (short) id,
-                        clientCallback);
+                        mContext, mContextHubProxy, this, contextHubInfo, (short) id);
                 mHostEndPointIdToClientMap.put((short) id, broker);
                 mNextHostEndpointId = (id == MAX_CLIENT_ID) ? 0 : id + 1;
                 break;
@@ -236,4 +259,22 @@
             }
         }
     }
+
+    /**
+     * Retrieves a ContextHubClientBroker object with a matching PendingIntent and Context Hub ID.
+     *
+     * @param pendingIntent the PendingIntent to match
+     * @param contextHubId  the ID of the Context Hub the client is attached to
+     * @return the matching ContextHubClientBroker, null if not found
+     */
+    private ContextHubClientBroker getClientBroker(PendingIntent pendingIntent, int contextHubId) {
+        for (ContextHubClientBroker broker : mHostEndPointIdToClientMap.values()) {
+            if (broker.hasPendingIntent(pendingIntent)
+                    && broker.getAttachedContextHubId() == contextHubId) {
+                return broker;
+            }
+        }
+
+        return null;
+    }
 }
diff --git a/services/core/java/com/android/server/location/ContextHubService.java b/services/core/java/com/android/server/location/ContextHubService.java
index e3c2863..215e67c 100644
--- a/services/core/java/com/android/server/location/ContextHubService.java
+++ b/services/core/java/com/android/server/location/ContextHubService.java
@@ -16,6 +16,7 @@
 
 package com.android.server.location;
 
+import android.app.PendingIntent;
 import android.content.Context;
 import android.hardware.contexthub.V1_0.AsyncEventType;
 import android.hardware.contexthub.V1_0.ContextHub;
@@ -631,6 +632,37 @@
     }
 
     /**
+     * Recreates and binds a IContextHubClientCallback interface to an existing and registered
+     * client at the service for the specified Context Hub, provided a previously registered
+     * PendingIntent.
+     *
+     * @param pendingIntent  the PendingIntent previously registered for the client
+     * @param clientCallback the client interface to register with the service
+     * @param contextHubId   the ID of the hub this client is attached to
+     * @return the generated client interface, null if registration was unsuccessful
+     *
+     * @throws IllegalArgumentException if contextHubId is not a valid ID
+     * @throws NullPointerException if clientCallback or pendingIntent is null
+     */
+    @Override
+    public IContextHubClient bindClient(
+            PendingIntent pendingIntent, IContextHubClientCallback clientCallback,
+            int contextHubId) throws RemoteException {
+        checkPermissions();
+        if (!isValidContextHubId(contextHubId)) {
+            throw new IllegalArgumentException("Invalid context hub ID " + contextHubId);
+        }
+        if (pendingIntent == null) {
+            throw new NullPointerException("Cannot create client with null pending intent");
+        }
+        if (clientCallback == null) {
+            throw new NullPointerException("Cannot create client with null callback");
+        }
+
+        return mClientManager.bindClient(pendingIntent, clientCallback, contextHubId);
+    }
+
+    /**
      * Loads a nanoapp binary at the specified Context hub.
      *
      * @param contextHubId        the ID of the hub to load the binary
diff --git a/services/core/java/com/android/server/pm/PackageInstallerService.java b/services/core/java/com/android/server/pm/PackageInstallerService.java
index 0b32d1a..6ccd040 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerService.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerService.java
@@ -58,7 +58,6 @@
 import android.os.RemoteCallbackList;
 import android.os.RemoteException;
 import android.os.SELinux;
-import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.os.storage.StorageManager;
@@ -646,8 +645,8 @@
         }
 
         try {
-            Os.mkdir(stageDir.getAbsolutePath(), 0755);
-            Os.chmod(stageDir.getAbsolutePath(), 0755);
+            Os.mkdir(stageDir.getAbsolutePath(), 0775);
+            Os.chmod(stageDir.getAbsolutePath(), 0775);
         } catch (ErrnoException e) {
             // This purposefully throws if directory already exists
             throw new IOException("Failed to prepare session dir: " + stageDir, e);
diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index 51225a7..6e45013 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -43,6 +43,7 @@
 import android.Manifest;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.apex.IApexService;
 import android.app.admin.DeviceAdminInfo;
 import android.app.admin.DevicePolicyManagerInternal;
 import android.content.Context;
@@ -75,6 +76,7 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.RevocableFileDescriptor;
+import android.os.ServiceManager;
 import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.os.storage.StorageManager;
@@ -838,12 +840,15 @@
         resolveStageDirLocked();
 
         mSealed = true;
-
-        // Verify that stage looks sane with respect to existing application.
-        // This currently only ensures packageName, versionCode, and certificate
-        // consistency.
         try {
-            validateInstallLocked(pkgInfo);
+            if ((params.installFlags & PackageManager.INSTALL_APEX) != 0) {
+                validateApexInstallLocked(pkgInfo);
+            } else {
+                // Verify that stage looks sane with respect to existing application.
+                // This currently only ensures packageName, versionCode, and certificate
+                // consistency.
+                validateApkInstallLocked(pkgInfo);
+            }
         } catch (PackageManagerException e) {
             throw e;
         } catch (Throwable e) {
@@ -926,6 +931,31 @@
         Preconditions.checkNotNull(mSigningDetails);
         Preconditions.checkNotNull(mResolvedBaseFile);
 
+        if ((params.installFlags & PackageManager.INSTALL_APEX) != 0) {
+            commitApexLocked();
+        } else {
+            commitApkLocked();
+        }
+    }
+
+    @GuardedBy("mLock")
+    private void commitApexLocked() throws PackageManagerException {
+        try {
+            IApexService apex = IApexService.Stub.asInterface(
+                    ServiceManager.getService("apexservice"));
+            apex.installPackage(mResolvedBaseFile.toString());
+        } catch (Throwable e) {
+            // Convert all exceptions into package manager exceptions as only those are handled
+            // in the code above
+            throw new PackageManagerException(e);
+        } finally {
+            destroyInternal();
+            dispatchSessionFinished(PackageManager.INSTALL_SUCCEEDED, "APEX installed", null);
+        }
+    }
+
+    @GuardedBy("mLock")
+    private void commitApkLocked() throws PackageManagerException {
         if (needToAskForPermissionsLocked()) {
             // User needs to confirm installation; give installer an intent they can use to involve
             // user.
@@ -1047,6 +1077,57 @@
                 (params.installFlags & PackageManager.DONT_KILL_APP) != 0;
     }
 
+    @GuardedBy("mLock")
+    private void validateApexInstallLocked(@Nullable PackageInfo pkgInfo)
+            throws PackageManagerException {
+        mResolvedStagedFiles.clear();
+        mResolvedInheritedFiles.clear();
+
+        try {
+            resolveStageDirLocked();
+        } catch (IOException e) {
+            throw new PackageManagerException(INSTALL_FAILED_CONTAINER_ERROR,
+                "Failed to resolve stage location", e);
+        }
+
+        final File[] addedFiles = mResolvedStageDir.listFiles(sAddedFilter);
+        if (ArrayUtils.isEmpty(addedFiles)) {
+            throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, "No packages staged");
+        }
+
+        if (addedFiles.length > 1) {
+            throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
+                "Only one APEX file at a time might be installed");
+        }
+        File addedFile = addedFiles[0];
+        final ApkLite apk;
+        try {
+            apk = PackageParser.parseApkLite(
+                addedFile, PackageParser.PARSE_COLLECT_CERTIFICATES);
+        } catch (PackageParserException e) {
+            throw PackageManagerException.from(e);
+        }
+
+        mPackageName = apk.packageName;
+        mVersionCode = apk.getLongVersionCode();
+        mSigningDetails = apk.signingDetails;
+        mResolvedBaseFile = addedFile;
+
+        assertApkConsistentLocked(String.valueOf(addedFile), apk);
+
+        if (mSigningDetails == PackageParser.SigningDetails.UNKNOWN) {
+            try {
+                // STOPSHIP: For APEX we should also implement proper APK Signature verification.
+                mSigningDetails = ApkSignatureVerifier.plsCertsNoVerifyOnlyCerts(
+                    pkgInfo.applicationInfo.sourceDir,
+                    PackageParser.SigningDetails.SignatureSchemeVersion.JAR);
+            } catch (PackageParserException e) {
+                throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
+                    "Couldn't obtain signatures from base APK");
+            }
+        }
+    }
+
     /**
      * Validate install by confirming that all application packages are have
      * consistent package name, version code, and signing certificates.
@@ -1060,7 +1141,7 @@
      * {@link PackageManagerService}.
      */
     @GuardedBy("mLock")
-    private void validateInstallLocked(@Nullable PackageInfo pkgInfo)
+    private void validateApkInstallLocked(@Nullable PackageInfo pkgInfo)
             throws PackageManagerException {
         ApkLite baseApk = null;
         mPackageName = null;
diff --git a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
index e25cca4..38bd172 100644
--- a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
+++ b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
@@ -920,7 +920,10 @@
                 pw.println("Error: must either specify a package size or an APK file");
                 return 1;
             }
-            if (doWriteSplit(sessionId, inPath, params.sessionParams.sizeBytes, "base.apk",
+            final boolean isApex =
+                    (params.sessionParams.installFlags & PackageManager.INSTALL_APEX) != 0;
+            String splitName = "base." + (isApex ? "apex" : "apk");
+            if (doWriteSplit(sessionId, inPath, params.sessionParams.sizeBytes, splitName,
                     false /*logSuccess*/) != PackageInstaller.STATUS_SUCCESS) {
                 return 1;
             }
@@ -2262,6 +2265,9 @@
                 case "--force-sdk":
                     sessionParams.installFlags |= PackageManager.INSTALL_FORCE_SDK;
                     break;
+                case "--apex":
+                    sessionParams.installFlags |= PackageManager.INSTALL_APEX;
+                    break;
                 default:
                     throw new IllegalArgumentException("Unknown option " + opt);
             }
diff --git a/services/core/java/com/android/server/pm/dex/DexManager.java b/services/core/java/com/android/server/pm/dex/DexManager.java
index 392d4d8..753c283 100644
--- a/services/core/java/com/android/server/pm/dex/DexManager.java
+++ b/services/core/java/com/android/server/pm/dex/DexManager.java
@@ -30,6 +30,7 @@
 import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.provider.Settings.Global;
+import android.util.Log;
 import android.util.Slog;
 import android.util.jar.StrictJarFile;
 
@@ -74,7 +75,7 @@
     private static final String PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB_LIST =
             "pm.dexopt.priv-apps-oob-list";
 
-    private static final boolean DEBUG = false;
+    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
     private final Context mContext;
 
@@ -192,6 +193,16 @@
         String[] classLoaderContexts = DexoptUtils.processContextForDexLoad(
                 classLoaderNames, classPaths);
 
+        // A null classLoaderContexts means that there are unsupported class loaders in the
+        // chain.
+        if (classLoaderContexts == null) {
+            if (DEBUG) {
+                Slog.i(TAG, loadingAppInfo.packageName +
+                        " uses unsupported class loader in " + classLoaderNames);
+            }
+            return;
+        }
+
         int dexPathIndex = 0;
         for (String dexPath : dexPathsToRegister) {
             // Find the owning package name.
@@ -219,14 +230,10 @@
                 }
 
                 // Record dex file usage. If the current usage is a new pattern (e.g. new secondary,
-                // or UsedBytOtherApps), record will return true and we trigger an async write
+                // or UsedByOtherApps), record will return true and we trigger an async write
                 // to disk to make sure we don't loose the data in case of a reboot.
 
-                // A null classLoaderContexts means that there are unsupported class loaders in the
-                // chain.
-                String classLoaderContext = classLoaderContexts == null
-                        ? PackageDexUsage.UNSUPPORTED_CLASS_LOADER_CONTEXT
-                        : classLoaderContexts[dexPathIndex];
+                String classLoaderContext = classLoaderContexts[dexPathIndex];
                 if (mPackageDexUsage.record(searchResult.mOwningPackageName,
                         dexPath, loaderUserId, loaderIsa, isUsedByOtherApps, primaryOrSplit,
                         loadingAppInfo.packageName, classLoaderContext)) {
diff --git a/services/core/java/com/android/server/pm/dex/PackageDexUsage.java b/services/core/java/com/android/server/pm/dex/PackageDexUsage.java
index 602ce3b..86f7380 100644
--- a/services/core/java/com/android/server/pm/dex/PackageDexUsage.java
+++ b/services/core/java/com/android/server/pm/dex/PackageDexUsage.java
@@ -21,6 +21,7 @@
 import android.os.Build;
 
 import com.android.internal.annotations.GuardedBy;
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.util.FastPrintWriter;
 import com.android.server.pm.AbstractStatsBase;
 import com.android.server.pm.PackageManagerServiceUtils;
@@ -78,14 +79,16 @@
     // skip optimizations on that dex files.
     /*package*/ static final String VARIABLE_CLASS_LOADER_CONTEXT =
             "=VariableClassLoaderContext=";
-    // The marker used for unsupported class loader contexts.
-    /*package*/ static final String UNSUPPORTED_CLASS_LOADER_CONTEXT =
-            "=UnsupportedClassLoaderContext=";
     // The markers used for unknown class loader contexts. This can happen if the dex file was
     // recorded in a previous version and we didn't have a chance to update its usage.
     /*package*/ static final String UNKNOWN_CLASS_LOADER_CONTEXT =
             "=UnknownClassLoaderContext=";
 
+    // The marker used for unsupported class loader contexts (no longer written, may occur in old
+    // files so discarded on read).
+    private static final String UNSUPPORTED_CLASS_LOADER_CONTEXT =
+            "=UnsupportedClassLoaderContext=";
+
     // Map which structures the information we have on a package.
     // Maps package name to package data (which stores info about UsedByOtherApps and
     // secondary dex files.).
@@ -365,6 +368,12 @@
                 Set<String> loadingPackages = maybeReadLoadingPackages(in, version);
                 String classLoaderContext = maybeReadClassLoaderContext(in, version);
 
+                if (UNSUPPORTED_CLASS_LOADER_CONTEXT.equals(classLoaderContext)) {
+                    // We used to record use of unsupported class loaders, but we no longer do.
+                    // Discard such entries; they will be deleted when we next write the file.
+                    continue;
+                }
+
                 int ownerUserId = Integer.parseInt(elems[0]);
                 boolean isUsedByOtherApps = readBoolean(elems[1]);
                 DexUseInfo dexUseInfo = new DexUseInfo(isUsedByOtherApps, ownerUserId,
@@ -709,13 +718,13 @@
         //      the compiled code will be private.
         private boolean mUsedByOtherAppsBeforeUpgrade;
 
-        public PackageUseInfo() {
+        /*package*/ PackageUseInfo() {
             mCodePathsUsedByOtherApps = new HashMap<>();
             mDexUseInfoMap = new HashMap<>();
         }
 
         // Creates a deep copy of the `other`.
-        public PackageUseInfo(PackageUseInfo other) {
+        private PackageUseInfo(PackageUseInfo other) {
             mCodePathsUsedByOtherApps = new HashMap<>();
             for (Map.Entry<String, Set<String>> e : other.mCodePathsUsedByOtherApps.entrySet()) {
                 mCodePathsUsedByOtherApps.put(e.getKey(), new HashSet<>(e.getValue()));
@@ -796,8 +805,9 @@
         // Packages who load this dex file.
         private final Set<String> mLoadingPackages;
 
-        public DexUseInfo(boolean isUsedByOtherApps, int ownerUserId, String classLoaderContext,
-                String loaderIsa) {
+        @VisibleForTesting
+        /* package */ DexUseInfo(boolean isUsedByOtherApps, int ownerUserId,
+                String classLoaderContext, String loaderIsa) {
             mIsUsedByOtherApps = isUsedByOtherApps;
             mOwnerUserId = ownerUserId;
             mClassLoaderContext = classLoaderContext;
@@ -809,7 +819,7 @@
         }
 
         // Creates a deep copy of the `other`.
-        public DexUseInfo(DexUseInfo other) {
+        private DexUseInfo(DexUseInfo other) {
             mIsUsedByOtherApps = other.mIsUsedByOtherApps;
             mOwnerUserId = other.mOwnerUserId;
             mClassLoaderContext = other.mClassLoaderContext;
@@ -827,11 +837,7 @@
             if (UNKNOWN_CLASS_LOADER_CONTEXT.equals(mClassLoaderContext)) {
                 // Can happen if we read a previous version.
                 mClassLoaderContext = dexUseInfo.mClassLoaderContext;
-            } else if (UNSUPPORTED_CLASS_LOADER_CONTEXT.equals(dexUseInfo.mClassLoaderContext)) {
-                // We detected an unsupported context.
-                mClassLoaderContext = UNSUPPORTED_CLASS_LOADER_CONTEXT;
-            } else if (!UNSUPPORTED_CLASS_LOADER_CONTEXT.equals(mClassLoaderContext) &&
-                    !Objects.equals(mClassLoaderContext, dexUseInfo.mClassLoaderContext)) {
+            } else if (!Objects.equals(mClassLoaderContext, dexUseInfo.mClassLoaderContext)) {
                 // We detected a context change.
                 mClassLoaderContext = VARIABLE_CLASS_LOADER_CONTEXT;
             }
@@ -846,7 +852,7 @@
             return mIsUsedByOtherApps;
         }
 
-        public int getOwnerUserId() {
+        /* package */ int getOwnerUserId() {
             return mOwnerUserId;
         }
 
@@ -860,17 +866,15 @@
 
         public String getClassLoaderContext() { return mClassLoaderContext; }
 
-        public boolean isUnsupportedClassLoaderContext() {
-            return UNSUPPORTED_CLASS_LOADER_CONTEXT.equals(mClassLoaderContext);
-        }
-
-        public boolean isUnknownClassLoaderContext() {
+        @VisibleForTesting
+        /* package */ boolean isUnknownClassLoaderContext() {
             // The class loader context may be unknown if we loaded the data from a previous version
             // which didn't save the context.
             return UNKNOWN_CLASS_LOADER_CONTEXT.equals(mClassLoaderContext);
         }
 
-        public boolean isVariableClassLoaderContext() {
+        @VisibleForTesting
+        /* package */ boolean isVariableClassLoaderContext() {
             return VARIABLE_CLASS_LOADER_CONTEXT.equals(mClassLoaderContext);
         }
     }
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 49f410d..f432c8d 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -68,6 +68,7 @@
 import com.android.server.appbinding.AppBindingService;
 import com.android.server.audio.AudioService;
 import com.android.server.biometrics.BiometricService;
+import com.android.server.biometrics.iris.IrisService;
 import com.android.server.broadcastradio.BroadcastRadioService;
 import com.android.server.camera.CameraServiceProxy;
 import com.android.server.clipboard.ClipboardService;
@@ -1589,6 +1590,8 @@
 
             final boolean hasFeatureFace
                     = mPackageManager.hasSystemFeature(PackageManager.FEATURE_FACE);
+            final boolean hasFeatureIris
+                    = mPackageManager.hasSystemFeature(PackageManager.FEATURE_IRIS);
             final boolean hasFeatureFingerprint
                     = mPackageManager.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT);
 
@@ -1598,13 +1601,19 @@
                 traceEnd();
             }
 
+            if (hasFeatureIris) {
+                traceBeginAndSlog("StartIrisSensor");
+                mSystemServiceManager.startService(IrisService.class);
+                traceEnd();
+            }
+
             if (hasFeatureFingerprint) {
                 traceBeginAndSlog("StartFingerprintSensor");
                 mSystemServiceManager.startService(FingerprintService.class);
                 traceEnd();
             }
 
-            if (hasFeatureFace || hasFeatureFingerprint) {
+            if (hasFeatureFace || hasFeatureIris || hasFeatureFingerprint) {
                 // Start this service after all biometric services.
                 traceBeginAndSlog("StartBiometricPromptService");
                 mSystemServiceManager.startService(BiometricService.class);
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java
index 416a616..bd42b73 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/DexManagerTests.java
@@ -401,15 +401,7 @@
         List<String> secondaries = mBarUser0UnsupportedClassLoader.getSecondaryDexPaths();
         notifyDexLoad(mBarUser0UnsupportedClassLoader, secondaries, mUser0);
 
-        PackageUseInfo pui = getPackageUseInfo(mBarUser0UnsupportedClassLoader);
-        assertIsUsedByOtherApps(mBarUser0UnsupportedClassLoader, pui, false);
-        assertEquals(secondaries.size(), pui.getDexUseInfoMap().size());
-        // We expect that all the contexts are unsupported.
-        String[] expectedContexts =
-                Collections.nCopies(secondaries.size(),
-                        PackageDexUsage.UNSUPPORTED_CLASS_LOADER_CONTEXT).toArray(new String[0]);
-        assertSecondaryUse(mBarUser0UnsupportedClassLoader, pui, secondaries,
-                /*isUsedByOtherApps*/false, mUser0, expectedContexts);
+        assertNoUseInfo(mBarUser0UnsupportedClassLoader);
     }
 
     @Test
@@ -438,27 +430,18 @@
     }
 
     @Test
-    public void testNotifyUnsupportedClassLoaderDoesNotChange() {
-        List<String> secondaries = mBarUser0UnsupportedClassLoader.getSecondaryDexPaths();
+    public void testNotifyUnsupportedClassLoaderDoesNotChangeExisting() {
+        List<String> secondaries = mBarUser0.getSecondaryDexPaths();
+
+        notifyDexLoad(mBarUser0, secondaries, mUser0);
+        PackageUseInfo pui = getPackageUseInfo(mBarUser0);
+        assertSecondaryUse(mBarUser0, pui, secondaries, /*isUsedByOtherApps*/false, mUser0);
+
+        // Record bar secondaries again with an unsupported class loader. This should not change the
+        // context.
         notifyDexLoad(mBarUser0UnsupportedClassLoader, secondaries, mUser0);
-
-        PackageUseInfo pui = getPackageUseInfo(mBarUser0UnsupportedClassLoader);
-        assertIsUsedByOtherApps(mBarUser0UnsupportedClassLoader, pui, false);
-        assertEquals(secondaries.size(), pui.getDexUseInfoMap().size());
-        // We expect that all the contexts are unsupported.
-        String[] expectedContexts =
-                Collections.nCopies(secondaries.size(),
-                        PackageDexUsage.UNSUPPORTED_CLASS_LOADER_CONTEXT).toArray(new String[0]);
-        assertSecondaryUse(mBarUser0UnsupportedClassLoader, pui, secondaries,
-                /*isUsedByOtherApps*/false, mUser0, expectedContexts);
-
-        // Record bar secondaries again with a different class loader. This will change the context.
-        // However, because the context was already marked as unsupported we should not chage it.
-        notifyDexLoad(mBarUser0DelegateLastClassLoader, secondaries, mUser0);
-        pui = getPackageUseInfo(mBarUser0UnsupportedClassLoader);
-        assertSecondaryUse(mBarUser0UnsupportedClassLoader, pui, secondaries,
-                /*isUsedByOtherApps*/false, mUser0, expectedContexts);
-
+        pui = getPackageUseInfo(mBarUser0);
+        assertSecondaryUse(mBarUser0, pui, secondaries, /*isUsedByOtherApps*/false, mUser0);
     }
 
     @Test
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
index 3e93dcf..7755e94 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
@@ -399,20 +399,6 @@
     }
 
     @Test
-    public void testRecordClassLoaderContextUnsupportedContext() {
-        // Record a secondary dex file.
-        assertTrue(record(mFooSecondary1User0));
-        // Now update its context.
-        TestData unsupportedContext = mFooSecondary1User0.updateClassLoaderContext(
-                PackageDexUsage.UNSUPPORTED_CLASS_LOADER_CONTEXT);
-        assertTrue(record(unsupportedContext));
-
-        assertPackageDexUsage(null, unsupportedContext);
-        writeAndReadBack();
-        assertPackageDexUsage(null, unsupportedContext);
-    }
-
-    @Test
     public void testRecordClassLoaderContextTransitionFromUnknown() {
         // Record a secondary dex file.
         TestData unknownContext = mFooSecondary1User0.updateClassLoaderContext(
@@ -440,29 +426,41 @@
         PackageDexUsage.DexUseInfo validContext = new DexUseInfo(isUsedByOtherApps, userId,
                 "valid_context", "arm");
         assertFalse(validContext.isUnknownClassLoaderContext());
-        assertFalse(validContext.isUnsupportedClassLoaderContext());
         assertFalse(validContext.isVariableClassLoaderContext());
 
-        PackageDexUsage.DexUseInfo unsupportedContext = new DexUseInfo(isUsedByOtherApps, userId,
-                PackageDexUsage.UNSUPPORTED_CLASS_LOADER_CONTEXT, "arm");
-        assertFalse(unsupportedContext.isUnknownClassLoaderContext());
-        assertTrue(unsupportedContext.isUnsupportedClassLoaderContext());
-        assertFalse(unsupportedContext.isVariableClassLoaderContext());
-
         PackageDexUsage.DexUseInfo variableContext = new DexUseInfo(isUsedByOtherApps, userId,
                 PackageDexUsage.VARIABLE_CLASS_LOADER_CONTEXT, "arm");
         assertFalse(variableContext.isUnknownClassLoaderContext());
-        assertFalse(variableContext.isUnsupportedClassLoaderContext());
         assertTrue(variableContext.isVariableClassLoaderContext());
 
         PackageDexUsage.DexUseInfo unknownContext = new DexUseInfo(isUsedByOtherApps, userId,
                 PackageDexUsage.UNKNOWN_CLASS_LOADER_CONTEXT, "arm");
         assertTrue(unknownContext.isUnknownClassLoaderContext());
-        assertFalse(unknownContext.isUnsupportedClassLoaderContext());
         assertFalse(unknownContext.isVariableClassLoaderContext());
     }
 
     @Test
+    public void testUnsupportedClassLoaderDiscardedOnRead() throws Exception {
+        String content = "PACKAGE_MANAGER__PACKAGE_DEX_USAGE__2\n"
+                + mBarSecondary1User0.mPackageName + "\n"
+                + "#" + mBarSecondary1User0.mDexFile + "\n"
+                + "0,0," + mBarSecondary1User0.mLoaderIsa + "\n"
+                + "@\n"
+                + "=UnsupportedClassLoaderContext=\n"
+
+                + mFooSecondary1User0.mPackageName + "\n"
+                + "#" + mFooSecondary1User0.mDexFile + "\n"
+                + "0,0," + mFooSecondary1User0.mLoaderIsa + "\n"
+                + "@\n"
+                + mFooSecondary1User0.mClassLoaderContext + "\n";
+
+        mPackageDexUsage.read(new StringReader(content));
+
+        assertPackageDexUsage(mFooBaseUser0, mFooSecondary1User0);
+        assertPackageDexUsage(mBarBaseUser0);
+    }
+
+    @Test
     public void testReadVersion1() {
         String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]);
         // Equivalent to
diff --git a/telephony/java/android/telephony/CellSignalStrengthLte.java b/telephony/java/android/telephony/CellSignalStrengthLte.java
index 05c1fd5..d6856b3 100644
--- a/telephony/java/android/telephony/CellSignalStrengthLte.java
+++ b/telephony/java/android/telephony/CellSignalStrengthLte.java
@@ -31,27 +31,8 @@
     private static final String LOG_TAG = "CellSignalStrengthLte";
     private static final boolean DBG = false;
 
-    /**
-     * Indicates the unknown or undetectable RSSI value in ASU.
-     *
-     * Reference: TS 27.007 8.5 - Signal quality +CSQ
-     */
-    private static final int SIGNAL_STRENGTH_LTE_RSSI_ASU_UNKNOWN = 99;
-    /**
-     * Indicates the maximum valid RSSI value in ASU.
-     *
-     * Reference: TS 27.007 8.5 - Signal quality +CSQ
-     */
-    private static final int SIGNAL_STRENGTH_LTE_RSSI_VALID_ASU_MAX_VALUE = 31;
-    /**
-     * Indicates the minimum valid RSSI value in ASU.
-     *
-     * Reference: TS 27.007 8.5 - Signal quality +CSQ
-     */
-    private static final int SIGNAL_STRENGTH_LTE_RSSI_VALID_ASU_MIN_VALUE = 0;
-
     @UnsupportedAppUsage
-    private int mRssi;
+    private int mSignalStrength;
     @UnsupportedAppUsage
     private int mRsrp;
     @UnsupportedAppUsage
@@ -70,9 +51,9 @@
     }
 
     /** @hide */
-    public CellSignalStrengthLte(int rssi, int rsrp, int rsrq, int rssnr, int cqi,
+    public CellSignalStrengthLte(int signalStrength, int rsrp, int rsrq, int rssnr, int cqi,
             int timingAdvance) {
-        mRssi = convertRssiAsuToDBm(rssi);
+        mSignalStrength = signalStrength;
         mRsrp = rsrp;
         mRsrq = rsrq;
         mRssnr = rssnr;
@@ -87,7 +68,7 @@
 
     /** @hide */
     protected void copyFrom(CellSignalStrengthLte s) {
-        mRssi = s.mRssi;
+        mSignalStrength = s.mSignalStrength;
         mRsrp = s.mRsrp;
         mRsrq = s.mRsrq;
         mRssnr = s.mRssnr;
@@ -104,7 +85,7 @@
     /** @hide */
     @Override
     public void setDefaultValues() {
-        mRssi = CellInfo.UNAVAILABLE;
+        mSignalStrength = CellInfo.UNAVAILABLE;
         mRsrp = CellInfo.UNAVAILABLE;
         mRsrq = CellInfo.UNAVAILABLE;
         mRssnr = CellInfo.UNAVAILABLE;
@@ -161,19 +142,6 @@
     }
 
     /**
-     * Get Received Signal Strength Indication (RSSI) in dBm
-     *
-     * The value range is [-113, -51] inclusively or {@link CellInfo#UNAVAILABLE} if unavailable.
-     *
-     * Reference: TS 27.007 8.5 Signal quality +CSQ
-     *
-     * @return the RSSI if available or {@link CellInfo#UNAVAILABLE} if unavailable.
-     */
-    public int getRssi() {
-        return mRssi;
-    }
-
-    /**
      * Get reference signal signal-to-noise ratio
      *
      * @return the RSSNR if available or
@@ -242,7 +210,7 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(mRssi, mRsrp, mRsrq, mRssnr, mCqi, mTimingAdvance);
+        return Objects.hash(mSignalStrength, mRsrp, mRsrq, mRssnr, mCqi, mTimingAdvance);
     }
 
     @Override
@@ -259,7 +227,7 @@
             return false;
         }
 
-        return mRssi == s.mRssi
+        return mSignalStrength == s.mSignalStrength
                 && mRsrp == s.mRsrp
                 && mRsrq == s.mRsrq
                 && mRssnr == s.mRssnr
@@ -273,7 +241,7 @@
     @Override
     public String toString() {
         return "CellSignalStrengthLte:"
-                + " rssi(dBm)=" + mRssi
+                + " ss=" + mSignalStrength
                 + " rsrp=" + mRsrp
                 + " rsrq=" + mRsrq
                 + " rssnr=" + mRssnr
@@ -285,7 +253,7 @@
     @Override
     public void writeToParcel(Parcel dest, int flags) {
         if (DBG) log("writeToParcel(Parcel, int): " + toString());
-        dest.writeInt(mRssi);
+        dest.writeInt(mSignalStrength);
         // Need to multiply rsrp and rsrq by -1
         // to ensure consistency when reading values written here
         // unless the values are invalid
@@ -301,7 +269,7 @@
      * where the token is already been processed.
      */
     private CellSignalStrengthLte(Parcel in) {
-        mRssi = convertRssiAsuToDBm(in.readInt());
+        mSignalStrength = in.readInt();
         // rsrp and rsrq are written into the parcel as positive values.
         // Need to convert into negative values unless the values are invalid
         mRsrp = in.readInt();
@@ -341,17 +309,4 @@
     private static void log(String s) {
         Rlog.w(LOG_TAG, s);
     }
-
-    private static int convertRssiAsuToDBm(int rssiAsu) {
-        if (rssiAsu != SIGNAL_STRENGTH_LTE_RSSI_ASU_UNKNOWN
-                && (rssiAsu < SIGNAL_STRENGTH_LTE_RSSI_VALID_ASU_MIN_VALUE
-                || rssiAsu > SIGNAL_STRENGTH_LTE_RSSI_VALID_ASU_MAX_VALUE)) {
-            Rlog.e(LOG_TAG, "convertRssiAsuToDBm: invalid RSSI in ASU=" + rssiAsu);
-            return CellInfo.UNAVAILABLE;
-        }
-        if (rssiAsu == SIGNAL_STRENGTH_LTE_RSSI_ASU_UNKNOWN) {
-            return CellInfo.UNAVAILABLE;
-        }
-        return -113 + (2 * rssiAsu);
-    }
 }