Merge "Add RefactorFlagUtils and an example usage" into main
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 90e9c43..c8046ab 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -294,6 +294,12 @@
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
 
+rust_aconfig_library {
+    name: "libandroid_security_flags_rust",
+    crate_name: "android_security_flags",
+    aconfig_declarations: "android.security.flags-aconfig",
+}
+
 // Package Manager
 aconfig_declarations {
     name: "android.content.pm.flags-aconfig",
diff --git a/apex/jobscheduler/service/java/com/android/server/job/JobSchedulerService.java b/apex/jobscheduler/service/java/com/android/server/job/JobSchedulerService.java
index a143d6f..bbe1485 100644
--- a/apex/jobscheduler/service/java/com/android/server/job/JobSchedulerService.java
+++ b/apex/jobscheduler/service/java/com/android/server/job/JobSchedulerService.java
@@ -1555,7 +1555,7 @@
 
     private final Predicate<Integer> mIsUidActivePredicate = this::isUidActive;
 
-    public int scheduleAsPackage(JobInfo job, JobWorkItem work, int uId, String packageName,
+    public int scheduleAsPackage(JobInfo job, JobWorkItem work, int callingUid, String packageName,
             int userId, @Nullable String namespace, String tag) {
         // Rate limit excessive schedule() calls.
         final String servicePkg = job.getService().getPackageName();
@@ -1608,12 +1608,12 @@
             mQuotaTracker.noteEvent(userId, pkg, QUOTA_TRACKER_SCHEDULE_PERSISTED_TAG);
         }
 
-        if (mActivityManagerInternal.isAppStartModeDisabled(uId, servicePkg)) {
-            Slog.w(TAG, "Not scheduling job " + uId + ":" + job.toString()
+        if (mActivityManagerInternal.isAppStartModeDisabled(callingUid, servicePkg)) {
+            Slog.w(TAG, "Not scheduling job for " + callingUid + ":" + job.toString()
                     + " -- package not allowed to start");
             Counter.logIncrementWithUid(
                     "job_scheduler.value_cntr_w_uid_schedule_failure_app_start_mode_disabled",
-                    uId);
+                    callingUid);
             return JobScheduler.RESULT_FAILURE;
         }
 
@@ -1623,7 +1623,7 @@
                             job.getEstimatedNetworkDownloadBytes()));
             sInitialJobEstimatedNetworkUploadKBLogger.logSample(
                     safelyScaleBytesToKBForHistogram(job.getEstimatedNetworkUploadBytes()));
-            sJobMinimumChunkKBLogger.logSampleWithUid(uId,
+            sJobMinimumChunkKBLogger.logSampleWithUid(callingUid,
                     safelyScaleBytesToKBForHistogram(job.getMinimumNetworkChunkBytes()));
             if (work != null) {
                 sInitialJwiEstimatedNetworkDownloadKBLogger.logSample(
@@ -1632,7 +1632,7 @@
                 sInitialJwiEstimatedNetworkUploadKBLogger.logSample(
                         safelyScaleBytesToKBForHistogram(
                                 work.getEstimatedNetworkUploadBytes()));
-                sJwiMinimumChunkKBLogger.logSampleWithUid(uId,
+                sJwiMinimumChunkKBLogger.logSampleWithUid(callingUid,
                         safelyScaleBytesToKBForHistogram(
                                 work.getMinimumNetworkChunkBytes()));
             }
@@ -1640,11 +1640,12 @@
 
         if (work != null) {
             Counter.logIncrementWithUid(
-                    "job_scheduler.value_cntr_w_uid_job_work_items_enqueued", uId);
+                    "job_scheduler.value_cntr_w_uid_job_work_items_enqueued", callingUid);
         }
 
         synchronized (mLock) {
-            final JobStatus toCancel = mJobs.getJobByUidAndJobId(uId, namespace, job.getId());
+            final JobStatus toCancel =
+                    mJobs.getJobByUidAndJobId(callingUid, namespace, job.getId());
 
             if (work != null && toCancel != null) {
                 // Fast path: we are adding work to an existing job, and the JobInfo is not
@@ -1664,7 +1665,7 @@
                     // TODO(273758274): improve JobScheduler's resilience and memory management
                     if (toCancel.getWorkCount() >= mConstants.MAX_NUM_PERSISTED_JOB_WORK_ITEMS
                             && toCancel.isPersisted()) {
-                        Slog.w(TAG, "Too many JWIs for uid " + uId);
+                        Slog.w(TAG, "Too many JWIs for uid " + callingUid);
                         throw new IllegalStateException("Apps may not persist more than "
                                 + mConstants.MAX_NUM_PERSISTED_JOB_WORK_ITEMS
                                 + " JobWorkItems per job");
@@ -1682,7 +1683,8 @@
                                         | JobStatus.INTERNAL_FLAG_DEMOTED_BY_SYSTEM_UIJ);
                     }
                     mJobs.touchJob(toCancel);
-                    sEnqueuedJwiHighWaterMarkLogger.logSampleWithUid(uId, toCancel.getWorkCount());
+                    sEnqueuedJwiHighWaterMarkLogger
+                            .logSampleWithUid(callingUid, toCancel.getWorkCount());
 
                     // If any of work item is enqueued when the source is in the foreground,
                     // exempt the entire job.
@@ -1692,8 +1694,8 @@
                 }
             }
 
-            JobStatus jobStatus =
-                    JobStatus.createFromJobInfo(job, uId, packageName, userId, namespace, tag);
+            JobStatus jobStatus = JobStatus.createFromJobInfo(
+                    job, callingUid, packageName, userId, namespace, tag);
 
             // Return failure early if expedited job quota used up.
             if (jobStatus.isRequestedExpeditedJob()) {
@@ -1702,7 +1704,7 @@
                         && !mQuotaController.isWithinEJQuotaLocked(jobStatus))) {
                     Counter.logIncrementWithUid(
                             "job_scheduler.value_cntr_w_uid_schedule_failure_ej_out_of_quota",
-                            uId);
+                            callingUid);
                     return JobScheduler.RESULT_FAILURE;
                 }
             }
@@ -1716,10 +1718,10 @@
             if (DEBUG) Slog.d(TAG, "SCHEDULE: " + jobStatus.toShortString());
             // Jobs on behalf of others don't apply to the per-app job cap
             if (packageName == null) {
-                if (mJobs.countJobsForUid(uId) > MAX_JOBS_PER_APP) {
-                    Slog.w(TAG, "Too many jobs for uid " + uId);
+                if (mJobs.countJobsForUid(callingUid) > MAX_JOBS_PER_APP) {
+                    Slog.w(TAG, "Too many jobs for uid " + callingUid);
                     Counter.logIncrementWithUid(
-                            "job_scheduler.value_cntr_w_uid_max_scheduling_limit_hit", uId);
+                            "job_scheduler.value_cntr_w_uid_max_scheduling_limit_hit", callingUid);
                     throw new IllegalStateException("Apps may not schedule more than "
                             + MAX_JOBS_PER_APP + " distinct jobs");
                 }
@@ -1743,7 +1745,7 @@
                 // TODO(273758274): improve JobScheduler's resilience and memory management
                 if (work != null && toCancel.isPersisted()
                         && toCancel.getWorkCount() >= mConstants.MAX_NUM_PERSISTED_JOB_WORK_ITEMS) {
-                    Slog.w(TAG, "Too many JWIs for uid " + uId);
+                    Slog.w(TAG, "Too many JWIs for uid " + callingUid);
                     throw new IllegalStateException("Apps may not persist more than "
                             + mConstants.MAX_NUM_PERSISTED_JOB_WORK_ITEMS
                             + " JobWorkItems per job");
@@ -1759,13 +1761,14 @@
             if (work != null) {
                 // If work has been supplied, enqueue it into the new job.
                 jobStatus.enqueueWorkLocked(work);
-                sEnqueuedJwiHighWaterMarkLogger.logSampleWithUid(uId, jobStatus.getWorkCount());
+                sEnqueuedJwiHighWaterMarkLogger
+                        .logSampleWithUid(callingUid, jobStatus.getWorkCount());
             }
 
-            final int sourceUid = uId;
+            final int sourceUid = jobStatus.getSourceUid();
             FrameworkStatsLog.write(FrameworkStatsLog.SCHEDULED_JOB_STATE_CHANGED,
                     jobStatus.isProxyJob()
-                            ? new int[]{sourceUid, jobStatus.getUid()} : new int[]{sourceUid},
+                            ? new int[]{sourceUid, callingUid} : new int[]{sourceUid},
                     // Given that the source tag is set by the calling app, it should be connected
                     // to the calling app in the attribution for a proxied job.
                     jobStatus.isProxyJob()
diff --git a/apex/jobscheduler/service/java/com/android/server/job/JobStore.java b/apex/jobscheduler/service/java/com/android/server/job/JobStore.java
index d48d84b..1fdf906 100644
--- a/apex/jobscheduler/service/java/com/android/server/job/JobStore.java
+++ b/apex/jobscheduler/service/java/com/android/server/job/JobStore.java
@@ -75,6 +75,7 @@
 import java.util.concurrent.CountDownLatch;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
+import java.util.regex.Pattern;
 
 /**
  * Maintains the master list of jobs that the job scheduler is tracking. These jobs are compared by
@@ -99,6 +100,8 @@
     private static final long SCHEDULED_JOB_HIGH_WATER_MARK_PERIOD_MS = 30 * 60_000L;
     @VisibleForTesting
     static final String JOB_FILE_SPLIT_PREFIX = "jobs_";
+    private static final Pattern SPLIT_FILE_PATTERN =
+            Pattern.compile("^" + JOB_FILE_SPLIT_PREFIX + "\\d+.xml$");
     private static final int ALL_UIDS = -1;
     @VisibleForTesting
     static final int INVALID_UID = -2;
@@ -1121,6 +1124,11 @@
             int numDuplicates = 0;
             synchronized (mLock) {
                 for (File file : files) {
+                    if (!file.getName().equals("jobs.xml")
+                            && !SPLIT_FILE_PATTERN.matcher(file.getName()).matches()) {
+                        // Skip temporary or other files.
+                        continue;
+                    }
                     final AtomicFile aFile = createJobFile(file);
                     try (FileInputStream fis = aFile.openRead()) {
                         jobs = readJobMapImpl(fis, rtcGood, nowElapsed);
diff --git a/core/java/android/app/usage/flags.aconfig b/core/java/android/app/usage/flags.aconfig
index f401a76..4f1c65b 100644
--- a/core/java/android/app/usage/flags.aconfig
+++ b/core/java/android/app/usage/flags.aconfig
@@ -13,3 +13,11 @@
     description: "Feature flag for the new REPORT_USAGE_STATS permission."
     bug: "296056771"
 }
+
+flag {
+    name: "use_dedicated_handler_thread"
+    namespace: "backstage_power"
+    description: "Flag to use a dedicated thread for usage event process"
+    is_fixed_read_only: true
+    bug: "299336442"
+}
diff --git a/core/java/android/os/OomKillRecord.java b/core/java/android/os/OomKillRecord.java
index 151a65f..ca1d49a 100644
--- a/core/java/android/os/OomKillRecord.java
+++ b/core/java/android/os/OomKillRecord.java
@@ -15,10 +15,15 @@
  */
 package android.os;
 
+import com.android.internal.util.FrameworkStatsLog;
 
 /**
+ * Activity manager communication with kernel out-of-memory (OOM) data handling
+ * and statsd atom logging.
+ *
  * Expected data to get back from the OOM event's file.
- * Note that this should be equivalent to the struct <b>OomKill</b> inside
+ * Note that this class fields' should be equivalent to the struct
+ * <b>OomKill</b> inside
  * <pre>
  * system/memory/libmeminfo/libmemevents/include/memevents.h
  * </pre>
@@ -41,6 +46,18 @@
         this.mOomScoreAdj = oomScoreAdj;
     }
 
+    /**
+     * Logs the event when the kernel OOM killer claims a victims to reduce
+     * memory pressure.
+     * KernelOomKillOccurred = 754
+     */
+    public void logKillOccurred() {
+        FrameworkStatsLog.write(
+                FrameworkStatsLog.KERNEL_OOM_KILL_OCCURRED,
+                mUid, mPid, mOomScoreAdj, mTimeStampInMillis,
+                mProcessName);
+    }
+
     public long getTimestampMilli() {
         return mTimeStampInMillis;
     }
diff --git a/core/java/android/view/SurfaceControl.java b/core/java/android/view/SurfaceControl.java
index 2f3d73a..42a0c9a 100644
--- a/core/java/android/view/SurfaceControl.java
+++ b/core/java/android/view/SurfaceControl.java
@@ -70,6 +70,7 @@
 import android.os.Parcelable;
 import android.os.RemoteException;
 import android.os.ServiceManager;
+import android.os.SystemProperties;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.util.Slog;
@@ -796,7 +797,7 @@
         if (nativeObject != 0) {
             // Only add valid surface controls to the registry. This is called at the end of this
             // method since its information is dumped if the process threshold is reached.
-            addToRegistry();
+            SurfaceControlRegistry.getProcessInstance().add(this);
         }
     }
 
@@ -1501,7 +1502,7 @@
             if (mCloseGuard != null) {
                 mCloseGuard.warnIfOpen();
             }
-            removeFromRegistry();
+            SurfaceControlRegistry.getProcessInstance().remove(this);
         } finally {
             super.finalize();
         }
@@ -1519,6 +1520,10 @@
      */
     public void release() {
         if (mNativeObject != 0) {
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "release", null, this, null);
+            }
             mFreeNativeResources.run();
             mNativeObject = 0;
             mNativeHandle = 0;
@@ -1532,7 +1537,7 @@
                     mChoreographer = null;
                 }
             }
-            removeFromRegistry();
+            SurfaceControlRegistry.getProcessInstance().remove(this);
         }
     }
 
@@ -2765,8 +2770,10 @@
 
         private Transaction(long nativeObject) {
             mNativeObject = nativeObject;
-            mFreeNativeResources =
-                    sRegistry.registerNativeAllocation(this, mNativeObject);
+            mFreeNativeResources = sRegistry.registerNativeAllocation(this, mNativeObject);
+            if (!SurfaceControlRegistry.sCallStackDebuggingInitialized) {
+                SurfaceControlRegistry.initializeCallStackDebugging();
+            }
         }
 
         private Transaction(Parcel in) {
@@ -2845,6 +2852,11 @@
             applyResizedSurfaces();
             notifyReparentedSurfaces();
             nativeApplyTransaction(mNativeObject, sync, oneWay);
+
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "apply", this, null, null);
+            }
         }
 
         /**
@@ -2920,6 +2932,10 @@
         @UnsupportedAppUsage
         public Transaction show(SurfaceControl sc) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "show", this, sc, null);
+            }
             nativeSetFlags(mNativeObject, sc.mNativeObject, 0, SURFACE_HIDDEN);
             return this;
         }
@@ -2934,6 +2950,10 @@
         @UnsupportedAppUsage
         public Transaction hide(SurfaceControl sc) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "hide", this, sc, null);
+            }
             nativeSetFlags(mNativeObject, sc.mNativeObject, SURFACE_HIDDEN, SURFACE_HIDDEN);
             return this;
         }
@@ -2950,6 +2970,10 @@
         @NonNull
         public Transaction setPosition(@NonNull SurfaceControl sc, float x, float y) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setPosition", this, sc, "x=" + x + " y=" + y);
+            }
             nativeSetPosition(mNativeObject, sc.mNativeObject, x, y);
             return this;
         }
@@ -2968,6 +2992,10 @@
             checkPreconditions(sc);
             Preconditions.checkArgument(scaleX >= 0, "Negative value passed in for scaleX");
             Preconditions.checkArgument(scaleY >= 0, "Negative value passed in for scaleY");
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setScale", this, sc, "sx=" + scaleX + " sy=" + scaleY);
+            }
             nativeSetScale(mNativeObject, sc.mNativeObject, scaleX, scaleY);
             return this;
         }
@@ -2985,6 +3013,10 @@
         public Transaction setBufferSize(@NonNull SurfaceControl sc,
                 @IntRange(from = 0) int w, @IntRange(from = 0) int h) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setBufferSize", this, sc, "w=" + w + " h=" + h);
+            }
             mResizedSurfaces.put(sc, new Point(w, h));
             return this;
         }
@@ -3005,6 +3037,10 @@
         public Transaction setFixedTransformHint(@NonNull SurfaceControl sc,
                        @Surface.Rotation int transformHint) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setFixedTransformHint", this, sc, "hint=" + transformHint);
+            }
             nativeSetFixedTransformHint(mNativeObject, sc.mNativeObject, transformHint);
             return this;
         }
@@ -3018,6 +3054,10 @@
         @NonNull
         public Transaction unsetFixedTransformHint(@NonNull SurfaceControl sc) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "unsetFixedTransformHint", this, sc, null);
+            }
             nativeSetFixedTransformHint(mNativeObject, sc.mNativeObject, -1/* INVALID_ROTATION */);
             return this;
         }
@@ -3035,6 +3075,10 @@
         public Transaction setLayer(@NonNull SurfaceControl sc,
                 @IntRange(from = Integer.MIN_VALUE, to = Integer.MAX_VALUE) int z) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setLayer", this, sc, "z=" + z);
+            }
             nativeSetLayer(mNativeObject, sc.mNativeObject, z);
             return this;
         }
@@ -3044,6 +3088,10 @@
          */
         public Transaction setRelativeLayer(SurfaceControl sc, SurfaceControl relativeTo, int z) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setRelativeLayer", this, sc, "relTo=" + relativeTo + " z=" + z);
+            }
             nativeSetRelativeLayer(mNativeObject, sc.mNativeObject, relativeTo.mNativeObject, z);
             return this;
         }
@@ -3053,6 +3101,10 @@
          */
         public Transaction setTransparentRegionHint(SurfaceControl sc, Region transparentRegion) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "unsetFixedTransformHint", this, sc, "region=" + transparentRegion);
+            }
             nativeSetTransparentRegionHint(mNativeObject,
                     sc.mNativeObject, transparentRegion);
             return this;
@@ -3069,6 +3121,10 @@
         public Transaction setAlpha(@NonNull SurfaceControl sc,
                 @FloatRange(from = 0.0, to = 1.0) float alpha) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setAlpha", this, sc, "alpha=" + alpha);
+            }
             nativeSetAlpha(mNativeObject, sc.mNativeObject, alpha);
             return this;
         }
@@ -3124,6 +3180,11 @@
         public Transaction setMatrix(SurfaceControl sc,
                 float dsdx, float dtdx, float dtdy, float dsdy) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setMatrix", this, sc,
+                        "dsdx=" + dsdx + " dtdx=" + dtdx + " dtdy=" + dtdy + " dsdy=" + dsdy);
+            }
             nativeSetMatrix(mNativeObject, sc.mNativeObject,
                     dsdx, dtdx, dtdy, dsdy);
             return this;
@@ -3189,6 +3250,10 @@
         @UnsupportedAppUsage
         public Transaction setWindowCrop(SurfaceControl sc, Rect crop) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setWindowCrop", this, sc, "crop=" + crop);
+            }
             if (crop != null) {
                 nativeSetWindowCrop(mNativeObject, sc.mNativeObject,
                         crop.left, crop.top, crop.right, crop.bottom);
@@ -3211,6 +3276,10 @@
          */
         public @NonNull Transaction setCrop(@NonNull SurfaceControl sc, @Nullable Rect crop) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setCrop", this, sc, "crop=" + crop);
+            }
             if (crop != null) {
                 Preconditions.checkArgument(crop.isValid(), "Crop isn't valid.");
                 nativeSetWindowCrop(mNativeObject, sc.mNativeObject,
@@ -3233,6 +3302,10 @@
          */
         public Transaction setWindowCrop(SurfaceControl sc, int width, int height) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setCornerRadius", this, sc, "w=" + width + " h=" + height);
+            }
             nativeSetWindowCrop(mNativeObject, sc.mNativeObject, 0, 0, width, height);
             return this;
         }
@@ -3247,6 +3320,10 @@
         @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public Transaction setCornerRadius(SurfaceControl sc, float cornerRadius) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setCornerRadius", this, sc, "cornerRadius=" + cornerRadius);
+            }
             nativeSetCornerRadius(mNativeObject, sc.mNativeObject, cornerRadius);
 
             return this;
@@ -3262,6 +3339,10 @@
          */
         public Transaction setBackgroundBlurRadius(SurfaceControl sc, int radius) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setBackgroundBlurRadius", this, sc, "radius=" + radius);
+            }
             nativeSetBackgroundBlurRadius(mNativeObject, sc.mNativeObject, radius);
             return this;
         }
@@ -3318,6 +3399,10 @@
         public Transaction reparent(@NonNull SurfaceControl sc,
                 @Nullable SurfaceControl newParent) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "reparent", this, sc, "newParent=" + newParent);
+            }
             long otherObject = 0;
             if (newParent != null) {
                 newParent.checkNotReleased();
@@ -3337,6 +3422,11 @@
         @UnsupportedAppUsage
         public Transaction setColor(SurfaceControl sc, @Size(3) float[] color) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "reparent", this, sc,
+                        "r=" + color[0] + " g=" + color[1] + " b=" + color[2]);
+            }
             nativeSetColor(mNativeObject, sc.mNativeObject, color);
             return this;
         }
@@ -3347,6 +3437,10 @@
         */
         public Transaction unsetColor(SurfaceControl sc) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "unsetColor", this, sc, null);
+            }
             nativeSetColor(mNativeObject, sc.mNativeObject, INVALID_COLOR);
             return this;
         }
@@ -3358,6 +3452,10 @@
          */
         public Transaction setSecure(SurfaceControl sc, boolean isSecure) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setSecure", this, sc, "secure=" + isSecure);
+            }
             if (isSecure) {
                 nativeSetFlags(mNativeObject, sc.mNativeObject, SECURE, SECURE);
             } else {
@@ -3411,6 +3509,10 @@
         @NonNull
         public Transaction setOpaque(@NonNull SurfaceControl sc, boolean isOpaque) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setOpaque", this, sc, "opaque=" + isOpaque);
+            }
             if (isOpaque) {
                 nativeSetFlags(mNativeObject, sc.mNativeObject, SURFACE_OPAQUE, SURFACE_OPAQUE);
             } else {
@@ -3580,6 +3682,10 @@
           */
         public Transaction setShadowRadius(SurfaceControl sc, float shadowRadius) {
             checkPreconditions(sc);
+            if (SurfaceControlRegistry.sCallStackDebuggingEnabled) {
+                SurfaceControlRegistry.getProcessInstance().checkCallStackDebugging(
+                        "setShadowRadius", this, sc, "radius=" + shadowRadius);
+            }
             nativeSetShadowRadius(mNativeObject, sc.mNativeObject, shadowRadius);
             return this;
         }
@@ -4463,26 +4569,6 @@
         return -1;
     }
 
-    /**
-     * Adds this surface control to the registry for this process if it is created.
-     */
-    private void addToRegistry() {
-        final SurfaceControlRegistry registry = SurfaceControlRegistry.getProcessInstance();
-        if (registry != null) {
-            registry.add(this);
-        }
-    }
-
-    /**
-     * Removes this surface control from the registry for this process.
-     */
-    private void removeFromRegistry() {
-        final SurfaceControlRegistry registry = SurfaceControlRegistry.getProcessInstance();
-        if (registry != null) {
-            registry.remove(this);
-        }
-    }
-
     // Called by native
     private static void invokeReleaseCallback(Consumer<SyncFence> callback, long nativeFencePtr) {
         SyncFence fence = new SyncFence(nativeFencePtr);
diff --git a/core/java/android/view/SurfaceControlRegistry.java b/core/java/android/view/SurfaceControlRegistry.java
index 0f35048..52be8f6 100644
--- a/core/java/android/view/SurfaceControlRegistry.java
+++ b/core/java/android/view/SurfaceControlRegistry.java
@@ -23,7 +23,9 @@
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.content.Context;
+import android.os.Build;
 import android.os.SystemClock;
+import android.os.SystemProperties;
 import android.util.Log;
 
 import com.android.internal.annotations.GuardedBy;
@@ -104,6 +106,9 @@
     // Number of surface controls to dump when the max threshold is exceeded
     private static final int DUMP_LIMIT = 256;
 
+    // An instance of a registry that is a no-op
+    private static final SurfaceControlRegistry NO_OP_REGISTRY = new NoOpRegistry();
+
     // Static lock, must be held for all registry operations
     private static final Object sLock = new Object();
 
@@ -113,6 +118,22 @@
     // The registry for a given process
     private static volatile SurfaceControlRegistry sProcessRegistry;
 
+    // Whether call stack debugging has been initialized. This is evaluated only once per process
+    // instance when the first SurfaceControl.Transaction object is created
+    static boolean sCallStackDebuggingInitialized;
+
+    // Whether call stack debugging is currently enabled, ie. whether there is a valid match string
+    // for either a specific surface control name or surface control transaction method
+    static boolean sCallStackDebuggingEnabled;
+
+    // The name of the surface control to log stack traces for.  Always non-null if
+    // sCallStackDebuggingEnabled is true.  Can be combined with the match call.
+    private static String sCallStackDebuggingMatchName;
+
+    // The surface control transaction method name to log stack traces for.  Always non-null if
+    // sCallStackDebuggingEnabled is true.  Can be combined with the match name.
+    private static String sCallStackDebuggingMatchCall;
+
     // Mapping of the active SurfaceControls to the elapsed time when they were registered
     @GuardedBy("sLock")
     private final WeakHashMap<SurfaceControl, Long> mSurfaceControls;
@@ -160,6 +181,12 @@
         }
     }
 
+    @VisibleForTesting
+    public void setCallStackDebuggingParams(String matchName, String matchCall) {
+        sCallStackDebuggingMatchName = matchName.toLowerCase();
+        sCallStackDebuggingMatchCall = matchCall.toLowerCase();
+    }
+
     /**
      * Creates and initializes the registry for all SurfaceControls in this process. The caller must
      * hold the READ_FRAME_BUFFER permission.
@@ -196,11 +223,9 @@
      * createProcessInstance(Context) was previously called from a valid caller.
      * @hide
      */
-    @Nullable
-    @VisibleForTesting
     public static SurfaceControlRegistry getProcessInstance() {
         synchronized (sLock) {
-            return sProcessRegistry;
+            return sProcessRegistry != null ? sProcessRegistry : NO_OP_REGISTRY;
         }
     }
 
@@ -248,6 +273,91 @@
     }
 
     /**
+     * Initializes global call stack debugging if this is a debug build and a filter is specified.
+     * This is a no-op if
+     *
+     * Usage:
+     *   adb shell setprop persist.wm.debug.sc.tx.log_match_call <call or \"\" to unset>
+     *   adb shell setprop persist.wm.debug.sc.tx.log_match_name <name or \"\" to unset>
+     *   adb reboot
+     */
+    final static void initializeCallStackDebugging() {
+        if (sCallStackDebuggingInitialized || !Build.IS_DEBUGGABLE) {
+            // Return early if already initialized or this is not a debug build
+            return;
+        }
+
+        sCallStackDebuggingInitialized = true;
+        sCallStackDebuggingMatchCall =
+                SystemProperties.get("persist.wm.debug.sc.tx.log_match_call", null)
+                        .toLowerCase();
+        sCallStackDebuggingMatchName =
+                SystemProperties.get("persist.wm.debug.sc.tx.log_match_name", null)
+                        .toLowerCase();
+        // Only enable stack debugging if any of the match filters are set
+        sCallStackDebuggingEnabled = (!sCallStackDebuggingMatchCall.isEmpty()
+                || !sCallStackDebuggingMatchName.isEmpty());
+        if (sCallStackDebuggingEnabled) {
+            Log.d(TAG, "Enabling transaction call stack debugging:"
+                    + " matchCall=" + sCallStackDebuggingMatchCall
+                    + " matchName=" + sCallStackDebuggingMatchName);
+        }
+    }
+
+    /**
+     * Dumps the callstack if it matches the global debug properties. Caller should first verify
+     * {@link #sCallStackDebuggingEnabled} is true.
+     *
+     * @param call the name of the call
+     * @param tx (optional) the transaction associated with this call
+     * @param sc the affected surface
+     * @param details additional details to print with the stack track
+     */
+    final void checkCallStackDebugging(@NonNull String call,
+            @Nullable SurfaceControl.Transaction tx, @Nullable SurfaceControl sc,
+            @Nullable String details) {
+        if (!sCallStackDebuggingEnabled) {
+            return;
+        }
+        if (!matchesForCallStackDebugging(sc != null ? sc.getName() : null, call)) {
+            return;
+        }
+        final String txMsg = tx != null ? "tx=" + tx.getId() + " ": "";
+        final String scMsg = sc != null ? " sc=" + sc.getName() + "": "";
+        final String msg = details != null
+                ? call + " (" + txMsg + scMsg + ") " + details
+                : call + " (" + txMsg + scMsg + ")";
+        Log.e(TAG, msg, new Throwable());
+    }
+
+    /**
+     * Tests whether the given surface control name/method call matches the filters set for the
+     * call stack debugging.
+     */
+    @VisibleForTesting
+    public final boolean matchesForCallStackDebugging(@Nullable String name, @NonNull String call) {
+        final boolean matchCall = !sCallStackDebuggingMatchCall.isEmpty();
+        if (matchCall && !call.toLowerCase().contains(sCallStackDebuggingMatchCall)) {
+            // Skip if target call doesn't match requested caller
+            return false;
+        }
+        final boolean matchName = !sCallStackDebuggingMatchName.isEmpty();
+        if (matchName && (name == null
+                || !name.toLowerCase().contains(sCallStackDebuggingMatchName))) {
+            // Skip if target surface doesn't match requested surface
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Returns whether call stack debugging is enabled for this process.
+     */
+    final static boolean isCallStackDebuggingEnabled() {
+        return sCallStackDebuggingEnabled;
+    }
+
+    /**
      * Forces the gc and finalizers to run, used prior to dumping to ensure we only dump strongly
      * referenced surface controls.
      */
@@ -272,7 +382,27 @@
         synchronized (sLock) {
             if (sProcessRegistry != null) {
                 sDefaultReporter.onMaxLayersExceeded(sProcessRegistry.mSurfaceControls, limit, pw);
+                pw.println("sCallStackDebuggingInitialized=" + sCallStackDebuggingInitialized);
+                pw.println("sCallStackDebuggingEnabled=" + sCallStackDebuggingEnabled);
+                pw.println("sCallStackDebuggingMatchName=" + sCallStackDebuggingMatchName);
+                pw.println("sCallStackDebuggingMatchCall=" + sCallStackDebuggingMatchCall);
             }
         }
     }
+
+    /**
+     * A no-op implementation of the registry.
+     */
+    private static class NoOpRegistry extends SurfaceControlRegistry {
+
+        @Override
+        public void setReportingThresholds(int maxLayersReportingThreshold,
+                int resetReportingThreshold, Reporter reporter) {}
+
+        @Override
+        void add(SurfaceControl sc) {}
+
+        @Override
+        void remove(SurfaceControl sc) {}
+    }
 }
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 49b16c7..e9d0e4c 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -19,8 +19,6 @@
 import static android.content.res.Resources.ID_NULL;
 import static android.os.Trace.TRACE_TAG_APP;
 import static android.view.ContentInfo.SOURCE_DRAG_AND_DROP;
-import static android.view.Surface.FRAME_RATE_CATEGORY_LOW;
-import static android.view.Surface.FRAME_RATE_CATEGORY_NORMAL;
 import static android.view.accessibility.AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED;
 import static android.view.displayhash.DisplayHashResultCallback.DISPLAY_HASH_ERROR_INVALID_BOUNDS;
 import static android.view.displayhash.DisplayHashResultCallback.DISPLAY_HASH_ERROR_MISSING_WINDOW;
@@ -29,7 +27,6 @@
 import static android.view.displayhash.DisplayHashResultCallback.EXTRA_DISPLAY_HASH;
 import static android.view.displayhash.DisplayHashResultCallback.EXTRA_DISPLAY_HASH_ERROR_CODE;
 import static android.view.flags.Flags.FLAG_VIEW_VELOCITY_API;
-import static android.view.flags.Flags.toolkitSetFrameRate;
 import static android.view.flags.Flags.viewVelocityApi;
 
 import static com.android.internal.util.FrameworkStatsLog.TOUCH_GESTURE_CLASSIFIED__CLASSIFICATION__DEEP_PRESS;
@@ -117,7 +114,6 @@
 import android.text.InputType;
 import android.text.TextUtils;
 import android.util.AttributeSet;
-import android.util.DisplayMetrics;
 import android.util.FloatProperty;
 import android.util.LayoutDirection;
 import android.util.Log;
@@ -5513,11 +5509,6 @@
     private ViewTranslationResponse mViewTranslationResponse;
 
     /**
-     * A threshold value to determine the frame rate category of the View based on the size.
-     */
-    private static final float FRAME_RATE_SIZE_PERCENTAGE_THRESHOLD = 0.07f;
-
-    /**
      * Simple constructor to use when creating a view from code.
      *
      * @param context The Context the view is running in, through which it can
@@ -20192,9 +20183,6 @@
             return;
         }
 
-        // For VRR to vote the preferred frame rate
-        votePreferredFrameRate();
-
         // Reset content capture caches
         mPrivateFlags4 &= ~PFLAG4_CONTENT_CAPTURE_IMPORTANCE_MASK;
         mContentCaptureSessionCached = false;
@@ -20297,8 +20285,6 @@
      */
     protected void damageInParent() {
         if (mParent != null && mAttachInfo != null) {
-            // For VRR to vote the preferred frame rate
-            votePreferredFrameRate();
             mParent.onDescendantInvalidated(this, this);
         }
     }
@@ -32995,40 +32981,6 @@
         return null;
     }
 
-    private float getSizePercentage() {
-        if (mResources == null || getAlpha() == 0 || getVisibility() != VISIBLE) {
-            return 0;
-        }
-
-        DisplayMetrics displayMetrics = mResources.getDisplayMetrics();
-        int screenSize = displayMetrics.widthPixels
-                * displayMetrics.heightPixels;
-        int viewSize = getWidth() * getHeight();
-
-        if (screenSize == 0 || viewSize == 0) {
-            return 0f;
-        }
-        return (float) viewSize / screenSize;
-    }
-
-    private int calculateFrameRateCategory() {
-        float sizePercentage = getSizePercentage();
-
-        if (sizePercentage <= FRAME_RATE_SIZE_PERCENTAGE_THRESHOLD) {
-            return FRAME_RATE_CATEGORY_LOW;
-        } else {
-            return FRAME_RATE_CATEGORY_NORMAL;
-        }
-    }
-
-    private void votePreferredFrameRate() {
-        // use toolkitSetFrameRate flag to gate the change
-        ViewRootImpl viewRootImpl = getViewRootImpl();
-        if (toolkitSetFrameRate() && viewRootImpl != null && getSizePercentage() > 0) {
-            viewRootImpl.votePreferredFrameRateCategory(calculateFrameRateCategory());
-        }
-    }
-
     /**
      * Set the current velocity of the View, we only track positive value.
      * We will use the velocity information to adjust the frame rate when applicable.
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index a7b3c10..4a10cab 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -24,8 +24,6 @@
 import static android.view.Display.INVALID_DISPLAY;
 import static android.view.InputDevice.SOURCE_CLASS_NONE;
 import static android.view.InsetsSource.ID_IME;
-import static android.view.Surface.FRAME_RATE_CATEGORY_HIGH;
-import static android.view.Surface.FRAME_RATE_CATEGORY_NO_PREFERENCE;
 import static android.view.View.PFLAG_DRAW_ANIMATION;
 import static android.view.View.SYSTEM_UI_FLAG_FULLSCREEN;
 import static android.view.View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
@@ -76,10 +74,7 @@
 import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_OPTIMIZE_MEASURE;
 import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE;
 import static android.view.WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST;
-import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
-import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
-import static android.view.WindowManager.LayoutParams.TYPE_DRAWN_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_ADDITIONAL;
 import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
@@ -92,7 +87,6 @@
 import static android.view.accessibility.Flags.forceInvertColor;
 import static android.view.inputmethod.InputMethodEditorTraceProto.InputMethodClientsTraceProto.ClientSideProto.IME_FOCUS_CONTROLLER;
 import static android.view.inputmethod.InputMethodEditorTraceProto.InputMethodClientsTraceProto.ClientSideProto.INSETS_CONTROLLER;
-import static android.view.flags.Flags.toolkitSetFrameRate;
 
 import android.Manifest;
 import android.accessibilityservice.AccessibilityService;
@@ -742,7 +736,6 @@
     private SurfaceControl mBoundsLayer;
     private final SurfaceSession mSurfaceSession = new SurfaceSession();
     private final Transaction mTransaction = new Transaction();
-    private final Transaction mFrameRateTransaction = new Transaction();
 
     @UnsupportedAppUsage
     boolean mAdded;
@@ -966,34 +959,6 @@
 
     private AccessibilityWindowAttributes mAccessibilityWindowAttributes;
 
-    /*
-     * for Variable Refresh Rate project
-     */
-
-    // The preferred frame rate category of the view that
-    // could be updated on a frame-by-frame basis.
-    private int mPreferredFrameRateCategory = FRAME_RATE_CATEGORY_NO_PREFERENCE;
-    // The preferred frame rate category of the last frame that
-    // could be used to lower frame rate after touch boost
-    private int mLastPreferredFrameRateCategory = FRAME_RATE_CATEGORY_NO_PREFERENCE;
-    // The preferred frame rate of the view that is mainly used for
-    // touch boosting, view velocity handling, and TextureView.
-    private float mPreferredFrameRate = 0;
-    // Used to check if there were any view invalidations in
-    // the previous time frame (FRAME_RATE_IDLENESS_REEVALUATE_TIME).
-    private boolean mHasInvalidation = false;
-    // Used to check if it is in the touch boosting period.
-    private boolean mIsFrameRateBoosting = false;
-    // Used to check if there is a message in the message queue
-    // for idleness handling.
-    private boolean mHasIdledMessage = false;
-    // time for touch boost period.
-    private static final int FRAME_RATE_TOUCH_BOOST_TIME = 1500;
-    // time for checking idle status periodically.
-    private static final int FRAME_RATE_IDLENESS_CHECK_TIME_MILLIS = 500;
-    // time for revaluating the idle status before lowering the frame rate.
-    private static final int FRAME_RATE_IDLENESS_REEVALUATE_TIME = 500;
-
     /**
      * A temporary object used so relayoutWindow can return the latest SyncSeqId
      * system. The SyncSeqId system was designed to work without synchronous relayout
@@ -3981,12 +3946,6 @@
                 mWmsRequestSyncGroupState = WMS_SYNC_NONE;
             }
         }
-
-        // For the variable refresh rate project.
-        setPreferredFrameRate(mPreferredFrameRate);
-        setPreferredFrameRateCategory(mPreferredFrameRateCategory);
-        mLastPreferredFrameRateCategory = mPreferredFrameRateCategory;
-        mPreferredFrameRateCategory = FRAME_RATE_CATEGORY_NO_PREFERENCE;
     }
 
     private void createSyncIfNeeded() {
@@ -6045,8 +6004,6 @@
     private static final int MSG_REPORT_KEEP_CLEAR_RECTS = 36;
     private static final int MSG_PAUSED_FOR_SYNC_TIMEOUT = 37;
     private static final int MSG_DECOR_VIEW_GESTURE_INTERCEPTION = 38;
-    private static final int MSG_TOUCH_BOOST_TIMEOUT = 39;
-    private static final int MSG_CHECK_INVALIDATION_IDLE = 40;
 
     final class ViewRootHandler extends Handler {
         @Override
@@ -6342,32 +6299,6 @@
                     mNumPausedForSync = 0;
                     scheduleTraversals();
                     break;
-                case MSG_TOUCH_BOOST_TIMEOUT:
-                    /**
-                     * Lower the frame rate after the boosting period (FRAME_RATE_TOUCH_BOOST_TIME).
-                     */
-                    mIsFrameRateBoosting = false;
-                    setPreferredFrameRateCategory(Math.max(mPreferredFrameRateCategory,
-                            mLastPreferredFrameRateCategory));
-                    break;
-                case MSG_CHECK_INVALIDATION_IDLE:
-                    if (!mHasInvalidation && !mIsFrameRateBoosting) {
-                        mPreferredFrameRateCategory = FRAME_RATE_CATEGORY_NO_PREFERENCE;
-                        setPreferredFrameRateCategory(mPreferredFrameRateCategory);
-                        mHasIdledMessage = false;
-                    } else {
-                        /**
-                         * If there is no invalidation within a certain period,
-                         * we consider the display is idled.
-                         * We then set the frame rate catetogry to NO_PREFERENCE.
-                         * Note that SurfaceFlinger also has a mechanism to lower the refresh rate
-                         * if there is no updates of the buffer.
-                         */
-                        mHasInvalidation = false;
-                        mHandler.sendEmptyMessageDelayed(MSG_CHECK_INVALIDATION_IDLE,
-                                FRAME_RATE_IDLENESS_REEVALUATE_TIME);
-                    }
-                    break;
             }
         }
     }
@@ -7310,7 +7241,6 @@
 
         private int processPointerEvent(QueuedInputEvent q) {
             final MotionEvent event = (MotionEvent)q.mEvent;
-            final int action = event.getAction();
             boolean handled = mHandwritingInitiator.onTouchEvent(event);
             if (handled) {
                 // If handwriting is started, toolkit doesn't receive ACTION_UP.
@@ -7331,22 +7261,6 @@
                     scheduleConsumeBatchedInputImmediately();
                 }
             }
-
-            // For the variable refresh rate project
-            if (handled && shouldTouchBoost(action, mWindowAttributes.type)) {
-                // set the frame rate to the maximum value.
-                mIsFrameRateBoosting = true;
-                setPreferredFrameRateCategory(mPreferredFrameRateCategory);
-            }
-            /**
-             * We want to lower the refresh rate when MotionEvent.ACTION_UP,
-             * MotionEvent.ACTION_CANCEL is detected.
-             * Not using ACTION_MOVE to avoid checking and sending messages too frequently.
-             */
-            if (mIsFrameRateBoosting && (action == MotionEvent.ACTION_UP
-                    || action == MotionEvent.ACTION_CANCEL)) {
-                sendDelayedEmptyMessage(MSG_TOUCH_BOOST_TIMEOUT, FRAME_RATE_TOUCH_BOOST_TIME);
-            }
             return handled ? FINISH_HANDLED : FORWARD;
         }
 
@@ -11934,96 +11848,6 @@
         t.clearTrustedPresentationCallback(getSurfaceControl());
     }
 
-    private void setPreferredFrameRateCategory(int preferredFrameRateCategory) {
-        if (!shouldSetFrameRateCategory()) {
-            return;
-        }
-
-        int frameRateCategory = mIsFrameRateBoosting
-                ? FRAME_RATE_CATEGORY_HIGH : preferredFrameRateCategory;
-
-        try {
-            mFrameRateTransaction.setFrameRateCategory(mSurfaceControl,
-                    frameRateCategory, false).apply();
-        } catch (Exception e) {
-            Log.e(mTag, "Unable to set frame rate category", e);
-        }
-
-        if (mPreferredFrameRateCategory != FRAME_RATE_CATEGORY_NO_PREFERENCE && !mHasIdledMessage) {
-            // Check where the display is idled periodically.
-            // If so, set the frame rate category to NO_PREFERENCE
-            mHandler.sendEmptyMessageDelayed(MSG_CHECK_INVALIDATION_IDLE,
-                    FRAME_RATE_IDLENESS_CHECK_TIME_MILLIS);
-            mHasIdledMessage = true;
-        }
-    }
-
-    private void setPreferredFrameRate(float preferredFrameRate) {
-        if (!shouldSetFrameRate()) {
-            return;
-        }
-
-        try {
-            mFrameRateTransaction.setFrameRate(mSurfaceControl,
-                    preferredFrameRate, Surface.FRAME_RATE_COMPATIBILITY_DEFAULT).apply();
-        } catch (Exception e) {
-            Log.e(mTag, "Unable to set frame rate", e);
-        }
-    }
-
-    private void sendDelayedEmptyMessage(int message, int delayedTime) {
-        mHandler.removeMessages(message);
-
-        mHandler.sendEmptyMessageDelayed(message, delayedTime);
-    }
-
-    private boolean shouldSetFrameRateCategory() {
-        // use toolkitSetFrameRate flag to gate the change
-        return  mSurface.isValid() && toolkitSetFrameRate();
-    }
-
-    private boolean shouldSetFrameRate() {
-        // use toolkitSetFrameRate flag to gate the change
-        return mPreferredFrameRate > 0 && toolkitSetFrameRate();
-    }
-
-    private boolean shouldTouchBoost(int motionEventAction, int windowType) {
-        boolean desiredAction = motionEventAction == MotionEvent.ACTION_DOWN
-                || motionEventAction == MotionEvent.ACTION_MOVE
-                || motionEventAction == MotionEvent.ACTION_UP;
-        boolean desiredType = windowType == TYPE_BASE_APPLICATION || windowType == TYPE_APPLICATION
-                || windowType == TYPE_APPLICATION_STARTING || windowType == TYPE_DRAWN_APPLICATION;
-        // use toolkitSetFrameRate flag to gate the change
-        return desiredAction && desiredType && toolkitSetFrameRate();
-    }
-
-    /**
-     * Allow Views to vote for the preferred frame rate category
-     *
-     * @param frameRateCategory the preferred frame rate category of a View
-     */
-    @VisibleForTesting(visibility = VisibleForTesting.Visibility.PROTECTED)
-    public void votePreferredFrameRateCategory(int frameRateCategory) {
-        mPreferredFrameRateCategory = Math.max(mPreferredFrameRateCategory, frameRateCategory);
-        mHasInvalidation = true;
-    }
-
-    /**
-     * Get the value of mPreferredFrameRateCategory
-     */
-    @VisibleForTesting
-    public int getPreferredFrameRateCategory() {
-        return mPreferredFrameRateCategory;
-    }
-
-    /**
-     * Get the value of mPreferredFrameRate
-     */
-    @VisibleForTesting
-    public float getPreferredFrameRate() {
-        return mPreferredFrameRate;
-    }
-
     private void logAndTrace(String msg) {
         if (Trace.isTagEnabled(Trace.TRACE_TAG_VIEW)) {
             Trace.instant(Trace.TRACE_TAG_VIEW, mTag + "-" + msg);
diff --git a/core/tests/coretests/Android.bp b/core/tests/coretests/Android.bp
index 445ddf5..2993a0e 100644
--- a/core/tests/coretests/Android.bp
+++ b/core/tests/coretests/Android.bp
@@ -65,7 +65,6 @@
         "device-time-shell-utils",
         "testables",
         "com.android.text.flags-aconfig-java",
-        "flag-junit",
     ],
 
     libs: [
@@ -76,7 +75,6 @@
         "framework",
         "ext",
         "framework-res",
-        "android.view.flags-aconfig-java",
     ],
     jni_libs: [
         "libpowermanagertest_jni",
diff --git a/core/tests/coretests/src/android/view/SurfaceControlRegistryTests.java b/core/tests/coretests/src/android/view/SurfaceControlRegistryTests.java
index e117051..71bdce4 100644
--- a/core/tests/coretests/src/android/view/SurfaceControlRegistryTests.java
+++ b/core/tests/coretests/src/android/view/SurfaceControlRegistryTests.java
@@ -23,6 +23,7 @@
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.ArgumentMatchers.eq;
@@ -148,6 +149,28 @@
         reporter.assertLastReportedSetEquals(sc5, sc6, sc7, sc8);
     }
 
+    @Test
+    public void testCallStackDebugging_matchesFilters() {
+        SurfaceControlRegistry registry = SurfaceControlRegistry.getProcessInstance();
+
+        // Specific name, any call
+        registry.setCallStackDebuggingParams("com.android.app1", "");
+        assertFalse(registry.matchesForCallStackDebugging("com.android.noMatchApp", "setAlpha"));
+        assertTrue(registry.matchesForCallStackDebugging("com.android.app1", "setAlpha"));
+
+        // Any name, specific call
+        registry.setCallStackDebuggingParams("", "setAlpha");
+        assertFalse(registry.matchesForCallStackDebugging("com.android.app1", "setLayer"));
+        assertTrue(registry.matchesForCallStackDebugging("com.android.app1", "setAlpha"));
+        assertTrue(registry.matchesForCallStackDebugging("com.android.app2", "setAlpha"));
+
+        // Specific name, specific call
+        registry.setCallStackDebuggingParams("com.android.app1", "setAlpha");
+        assertFalse(registry.matchesForCallStackDebugging("com.android.app1", "setLayer"));
+        assertFalse(registry.matchesForCallStackDebugging("com.android.app2", "setAlpha"));
+        assertTrue(registry.matchesForCallStackDebugging("com.android.app1", "setAlpha"));
+    }
+
     private SurfaceControl buildTestSurface() {
         return new SurfaceControl.Builder()
                 .setContainerLayer()
diff --git a/core/tests/coretests/src/android/view/ViewRootImplTest.java b/core/tests/coretests/src/android/view/ViewRootImplTest.java
index 1a38dec..6a9fc04 100644
--- a/core/tests/coretests/src/android/view/ViewRootImplTest.java
+++ b/core/tests/coretests/src/android/view/ViewRootImplTest.java
@@ -17,11 +17,6 @@
 package android.view;
 
 import static android.view.accessibility.Flags.FLAG_FORCE_INVERT_COLOR;
-import static android.view.flags.Flags.FLAG_TOOLKIT_SET_FRAME_RATE;
-import static android.view.Surface.FRAME_RATE_CATEGORY_HIGH;
-import static android.view.Surface.FRAME_RATE_CATEGORY_LOW;
-import static android.view.Surface.FRAME_RATE_CATEGORY_NORMAL;
-import static android.view.Surface.FRAME_RATE_CATEGORY_NO_PREFERENCE;
 import static android.view.View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
 import static android.view.View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
 import static android.view.View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
@@ -53,12 +48,8 @@
 import android.os.Binder;
 import android.os.SystemProperties;
 import android.platform.test.annotations.Presubmit;
-import android.platform.test.annotations.RequiresFlagsEnabled;
-import android.platform.test.flag.junit.CheckFlagsRule;
-import android.platform.test.flag.junit.DeviceFlagsValueProvider;
 import android.platform.test.flag.junit.SetFlagsRule;
 import android.provider.Settings;
-import android.util.DisplayMetrics;
 import android.util.Log;
 import android.view.WindowInsets.Side;
 import android.view.WindowInsets.Type;
@@ -106,10 +97,6 @@
     // state after the test completes.
     private static boolean sOriginalTouchMode;
 
-    @Rule
-    public final CheckFlagsRule mCheckFlagsRule =
-            DeviceFlagsValueProvider.createCheckFlagsRule();
-
     @BeforeClass
     public static void setUpClass() {
         sContext = sInstrumentation.getTargetContext();
@@ -440,129 +427,6 @@
         assertThat(result).isFalse();
     }
 
-    /**
-     * Test the default values are properly set
-     */
-    @UiThreadTest
-    @Test
-    @RequiresFlagsEnabled(FLAG_TOOLKIT_SET_FRAME_RATE)
-    public void votePreferredFrameRate_getDefaultValues() {
-        ViewRootImpl viewRootImpl = new ViewRootImpl(sContext,
-                sContext.getDisplayNoVerify());
-        assertEquals(viewRootImpl.getPreferredFrameRateCategory(),
-                FRAME_RATE_CATEGORY_NO_PREFERENCE);
-        assertEquals(viewRootImpl.getPreferredFrameRate(), 0, 0.1);
-    }
-
-    /**
-     * Test the value of the frame rate cateogry based on the visibility of a view
-     * Invsible: FRAME_RATE_CATEGORY_NO_PREFERENCE
-     * Visible: FRAME_RATE_CATEGORY_NORMAL
-     */
-    @Test
-    @RequiresFlagsEnabled(FLAG_TOOLKIT_SET_FRAME_RATE)
-    public void votePreferredFrameRate_voteFrameRateCategory_visibility() {
-        View view = new View(sContext);
-        attachViewToWindow(view);
-        ViewRootImpl viewRootImpl = view.getViewRootImpl();
-        sInstrumentation.runOnMainSync(() -> {
-            view.setVisibility(View.INVISIBLE);
-            view.invalidate();
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(),
-                    FRAME_RATE_CATEGORY_NO_PREFERENCE);
-        });
-
-        sInstrumentation.runOnMainSync(() -> {
-            view.setVisibility(View.VISIBLE);
-            view.invalidate();
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(),
-                    FRAME_RATE_CATEGORY_NORMAL);
-        });
-    }
-
-    /**
-     * Test the value of the frame rate cateogry based on the size of a view.
-     * The current threshold value is 7% of the screen size
-     * <7%: FRAME_RATE_CATEGORY_LOW
-     */
-    @Test
-    @RequiresFlagsEnabled(FLAG_TOOLKIT_SET_FRAME_RATE)
-    public void votePreferredFrameRate_voteFrameRateCategory_smallSize() {
-        View view = new View(sContext);
-        WindowManager.LayoutParams wmlp = new WindowManager.LayoutParams(TYPE_APPLICATION_OVERLAY);
-        wmlp.token = new Binder(); // Set a fake token to bypass 'is your activity running' check
-        wmlp.width = 1;
-        wmlp.height = 1;
-
-        sInstrumentation.runOnMainSync(() -> {
-            WindowManager wm = sContext.getSystemService(WindowManager.class);
-            wm.addView(view, wmlp);
-        });
-        sInstrumentation.waitForIdleSync();
-
-        ViewRootImpl viewRootImpl = view.getViewRootImpl();
-        sInstrumentation.runOnMainSync(() -> {
-            view.invalidate();
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(), FRAME_RATE_CATEGORY_LOW);
-        });
-    }
-
-    /**
-     * Test the value of the frame rate cateogry based on the size of a view.
-     * The current threshold value is 7% of the screen size
-     * >=7% : FRAME_RATE_CATEGORY_NORMAL
-     */
-    @Test
-    @RequiresFlagsEnabled(FLAG_TOOLKIT_SET_FRAME_RATE)
-    public void votePreferredFrameRate_voteFrameRateCategory_normalSize() {
-        View view = new View(sContext);
-        WindowManager.LayoutParams wmlp = new WindowManager.LayoutParams(TYPE_APPLICATION_OVERLAY);
-        wmlp.token = new Binder(); // Set a fake token to bypass 'is your activity running' check
-
-        sInstrumentation.runOnMainSync(() -> {
-            WindowManager wm = sContext.getSystemService(WindowManager.class);
-            Display display = wm.getDefaultDisplay();
-            DisplayMetrics metrics = new DisplayMetrics();
-            display.getMetrics(metrics);
-            wmlp.width = (int) (metrics.widthPixels * 0.9);
-            wmlp.height = (int) (metrics.heightPixels * 0.9);
-            wm.addView(view, wmlp);
-        });
-        sInstrumentation.waitForIdleSync();
-
-        ViewRootImpl viewRootImpl = view.getViewRootImpl();
-        sInstrumentation.runOnMainSync(() -> {
-            view.invalidate();
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(), FRAME_RATE_CATEGORY_NORMAL);
-        });
-    }
-
-    /**
-     * Test how values of the frame rate cateogry are aggregated.
-     * It should take the max value among all of the voted categories per frame.
-     */
-    @Test
-    @RequiresFlagsEnabled(FLAG_TOOLKIT_SET_FRAME_RATE)
-    public void votePreferredFrameRate_voteFrameRateCategory_aggregate() {
-        View view = new View(sContext);
-        attachViewToWindow(view);
-        sInstrumentation.runOnMainSync(() -> {
-            ViewRootImpl viewRootImpl = view.getViewRootImpl();
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(),
-                    FRAME_RATE_CATEGORY_NO_PREFERENCE);
-            viewRootImpl.votePreferredFrameRateCategory(FRAME_RATE_CATEGORY_LOW);
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(), FRAME_RATE_CATEGORY_LOW);
-            viewRootImpl.votePreferredFrameRateCategory(FRAME_RATE_CATEGORY_NORMAL);
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(), FRAME_RATE_CATEGORY_NORMAL);
-            viewRootImpl.votePreferredFrameRateCategory(FRAME_RATE_CATEGORY_HIGH);
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(), FRAME_RATE_CATEGORY_HIGH);
-            viewRootImpl.votePreferredFrameRateCategory(FRAME_RATE_CATEGORY_NORMAL);
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(), FRAME_RATE_CATEGORY_HIGH);
-            viewRootImpl.votePreferredFrameRateCategory(FRAME_RATE_CATEGORY_LOW);
-            assertEquals(viewRootImpl.getPreferredFrameRateCategory(), FRAME_RATE_CATEGORY_HIGH);
-        });
-    }
-
     @Test
     public void forceInvertOffDarkThemeOff_forceDarkModeDisabled() {
         mSetFlagsRule.enableFlags(FLAG_FORCE_INVERT_COLOR);
diff --git a/data/etc/services.core.protolog.json b/data/etc/services.core.protolog.json
index b71aaf3..cc73ece 100644
--- a/data/etc/services.core.protolog.json
+++ b/data/etc/services.core.protolog.json
@@ -2887,6 +2887,12 @@
       "group": "WM_DEBUG_RESIZE",
       "at": "com\/android\/server\/wm\/WindowState.java"
     },
+    "419378610": {
+      "message": "Content Recording: Apply transformations of shift %d x %d, scale %f x %f, crop (aka recorded content size) %d x %d for display %d; display has size %d x %d; surface has size %d x %d",
+      "level": "VERBOSE",
+      "group": "WM_DEBUG_CONTENT_RECORDING",
+      "at": "com\/android\/server\/wm\/ContentRecorder.java"
+    },
     "422634333": {
       "message": "First draw done in potential wallpaper target %s",
       "level": "VERBOSE",
@@ -4339,12 +4345,6 @@
       "group": "WM_DEBUG_REMOTE_ANIMATIONS",
       "at": "com\/android\/server\/wm\/RemoteAnimationController.java"
     },
-    "1936800105": {
-      "message": "Content Recording: Apply transformations of shift %d x %d, scale %f, crop (aka recorded content size) %d x %d for display %d; display has size %d x %d; surface has size %d x %d",
-      "level": "VERBOSE",
-      "group": "WM_DEBUG_CONTENT_RECORDING",
-      "at": "com\/android\/server\/wm\/ContentRecorder.java"
-    },
     "1945495497": {
       "message": "Focused window didn't have a valid surface drawn.",
       "level": "DEBUG",
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/ExpandedAnimationController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/ExpandedAnimationController.java
index 738c94e..79f306e 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/ExpandedAnimationController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/ExpandedAnimationController.java
@@ -19,6 +19,7 @@
 import static android.view.View.LAYOUT_DIRECTION_RTL;
 
 import static com.android.wm.shell.bubbles.BubblePositioner.NUM_VISIBLE_WHEN_RESTING;
+import static com.android.wm.shell.bubbles.animation.FlingToDismissUtils.getFlingToDismissTargetWidth;
 
 import android.content.res.Resources;
 import android.graphics.Path;
@@ -375,6 +376,9 @@
         mMagnetizedBubbleDraggingOut.setMagnetListener(listener);
         mMagnetizedBubbleDraggingOut.setHapticsEnabled(true);
         mMagnetizedBubbleDraggingOut.setFlingToTargetMinVelocity(FLING_TO_DISMISS_MIN_VELOCITY);
+        int screenWidthPx = mLayout.getContext().getResources().getDisplayMetrics().widthPixels;
+        mMagnetizedBubbleDraggingOut.setFlingToTargetWidthPercent(
+                getFlingToDismissTargetWidth(screenWidthPx));
     }
 
     private void springBubbleTo(View bubble, float x, float y) {
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/FlingToDismissUtils.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/FlingToDismissUtils.kt
new file mode 100644
index 0000000..2a44f04
--- /dev/null
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/FlingToDismissUtils.kt
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2023 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.wm.shell.bubbles.animation
+
+/** Utils related to the fling to dismiss animation. */
+object FlingToDismissUtils {
+
+    /** The target width surrounding the dismiss target on a small width screen, e.g. phone. */
+    private const val FLING_TO_DISMISS_TARGET_WIDTH_SMALL = 3f
+    /**
+     * The target width surrounding the dismiss target on a medium width screen, e.g. tablet in
+     * portrait.
+     */
+    private const val FLING_TO_DISMISS_TARGET_WIDTH_MEDIUM = 4.5f
+    /**
+     * The target width surrounding the dismiss target on a large width screen, e.g. tablet in
+     * landscape.
+     */
+    private const val FLING_TO_DISMISS_TARGET_WIDTH_LARGE = 6f
+
+    /** Returns the dismiss target width for the specified [screenWidthPx]. */
+    @JvmStatic
+    fun getFlingToDismissTargetWidth(screenWidthPx: Int) = when {
+        screenWidthPx >= 2000 -> FLING_TO_DISMISS_TARGET_WIDTH_LARGE
+        screenWidthPx >= 1500 -> FLING_TO_DISMISS_TARGET_WIDTH_MEDIUM
+        else -> FLING_TO_DISMISS_TARGET_WIDTH_SMALL
+    }
+}
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/StackAnimationController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/StackAnimationController.java
index aad2683..e487328 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/StackAnimationController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/StackAnimationController.java
@@ -17,6 +17,7 @@
 package com.android.wm.shell.bubbles.animation;
 
 import static com.android.wm.shell.bubbles.BubblePositioner.NUM_VISIBLE_WHEN_RESTING;
+import static com.android.wm.shell.bubbles.animation.FlingToDismissUtils.getFlingToDismissTargetWidth;
 
 import android.content.ContentResolver;
 import android.content.res.Resources;
@@ -851,6 +852,15 @@
         if (mLayout != null) {
             Resources res = mLayout.getContext().getResources();
             mBubblePaddingTop = res.getDimensionPixelSize(R.dimen.bubble_padding_top);
+            updateFlingToDismissTargetWidth();
+        }
+    }
+
+    private void updateFlingToDismissTargetWidth() {
+        if (mLayout != null && mMagnetizedStack != null) {
+            int screenWidthPx = mLayout.getResources().getDisplayMetrics().widthPixels;
+            mMagnetizedStack.setFlingToTargetWidthPercent(
+                    getFlingToDismissTargetWidth(screenWidthPx));
         }
     }
 
@@ -1022,23 +1032,8 @@
             };
             mMagnetizedStack.setHapticsEnabled(true);
             mMagnetizedStack.setFlingToTargetMinVelocity(FLING_TO_DISMISS_MIN_VELOCITY);
+            updateFlingToDismissTargetWidth();
         }
-
-        final ContentResolver contentResolver = mLayout.getContext().getContentResolver();
-        final float minVelocity = Settings.Secure.getFloat(contentResolver,
-                "bubble_dismiss_fling_min_velocity",
-                mMagnetizedStack.getFlingToTargetMinVelocity() /* default */);
-        final float maxVelocity = Settings.Secure.getFloat(contentResolver,
-                "bubble_dismiss_stick_max_velocity",
-                mMagnetizedStack.getStickToTargetMaxXVelocity() /* default */);
-        final float targetWidth = Settings.Secure.getFloat(contentResolver,
-                "bubble_dismiss_target_width_percent",
-                mMagnetizedStack.getFlingToTargetWidthPercent() /* default */);
-
-        mMagnetizedStack.setFlingToTargetMinVelocity(minVelocity);
-        mMagnetizedStack.setStickToTargetMaxXVelocity(maxVelocity);
-        mMagnetizedStack.setFlingToTargetWidthPercent(targetWidth);
-
         return mMagnetizedStack;
     }
 
@@ -1053,7 +1048,7 @@
      * property directly to move the first bubble and cause the stack to 'follow' to the new
      * location.
      *
-     * This could also be achieved by simply animating the first bubble view and adding an update
+     * <p>This could also be achieved by simply animating the first bubble view and adding an update
      * listener to dispatch movement to the rest of the stack. However, this would require
      * duplication of logic in that update handler - it's simpler to keep all logic contained in the
      * {@link #moveFirstBubbleWithStackFollowing} method.
diff --git a/packages/SystemUI/animation/src/com/android/systemui/animation/GhostedViewLaunchAnimatorController.kt b/packages/SystemUI/animation/src/com/android/systemui/animation/GhostedViewLaunchAnimatorController.kt
index 6c4b695..af35ea4 100644
--- a/packages/SystemUI/animation/src/com/android/systemui/animation/GhostedViewLaunchAnimatorController.kt
+++ b/packages/SystemUI/animation/src/com/android/systemui/animation/GhostedViewLaunchAnimatorController.kt
@@ -68,6 +68,7 @@
     override var launchContainer = ghostedView.rootView as ViewGroup
     private val launchContainerOverlay: ViewGroupOverlay
         get() = launchContainer.overlay
+
     private val launchContainerLocation = IntArray(2)
 
     /** The ghost view that is drawn and animated instead of the ghosted view. */
@@ -206,9 +207,8 @@
             return
         }
 
-        backgroundView = FrameLayout(launchContainer.context).also {
-            launchContainerOverlay.add(it)
-        }
+        backgroundView =
+            FrameLayout(launchContainer.context).also { launchContainerOverlay.add(it) }
 
         // We wrap the ghosted view background and use it to draw the expandable background. Its
         // alpha will be set to 0 as soon as we start drawing the expanding background.
@@ -226,6 +226,17 @@
         // the content before fading out the background.
         ghostView = GhostView.addGhost(ghostedView, launchContainer)
 
+        // [GhostView.addGhost], the result of which is our [ghostView], creates a [GhostView], and
+        // adds it first to a [FrameLayout] container. It then adds _that_ container to an
+        // [OverlayViewGroup]. We need to turn off clipping for that container view. Currently,
+        // however, the only way to get a reference to that overlay is by going through our
+        // [ghostView]. The [OverlayViewGroup] will always be its grandparent view.
+        // TODO(b/306652954) reference the overlay view group directly if we can
+        (ghostView?.parent?.parent as? ViewGroup)?.let {
+            it.clipChildren = false
+            it.clipToPadding = false
+        }
+
         val matrix = ghostView?.animationMatrix ?: Matrix.IDENTITY_MATRIX
         matrix.getValues(initialGhostViewMatrixValues)
 
diff --git a/packages/SystemUI/res/layout/super_notification_shade.xml b/packages/SystemUI/res/layout/super_notification_shade.xml
index 0a2bd63..7e03bd9 100644
--- a/packages/SystemUI/res/layout/super_notification_shade.xml
+++ b/packages/SystemUI/res/layout/super_notification_shade.xml
@@ -45,7 +45,8 @@
     <com.android.systemui.statusbar.LightRevealScrim
         android:id="@+id/light_reveal_scrim"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent"
+        sysui:ignoreRightInset="true" />
 
     <include layout="@layout/status_bar_expanded"
              android:layout_width="match_parent"
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/PropertyAnimator.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/PropertyAnimator.java
index 8957f29..f98f39e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/PropertyAnimator.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/PropertyAnimator.java
@@ -20,6 +20,7 @@
 import android.animation.AnimatorListenerAdapter;
 import android.animation.PropertyValuesHolder;
 import android.animation.ValueAnimator;
+import android.util.Log;
 import android.util.Property;
 import android.view.View;
 import android.view.animation.Interpolator;
@@ -33,6 +34,7 @@
  * An animator to animate properties
  */
 public class PropertyAnimator {
+    private static final String TAG = "PropertyAnimator";
 
     /**
      * Set a property on a view, updating its value, even if it's already animating.
@@ -123,6 +125,8 @@
                     view.setTag(animatorTag, null);
                     view.setTag(animationStartTag, null);
                     view.setTag(animationEndTag, null);
+                } else {
+                    Log.e(TAG, "Unexpected Animator set during onAnimationEnd. Not cleaning up.");
                 }
             }
         });
diff --git a/packages/SystemUI/tests/src/com/android/systemui/accessibility/floatingmenu/MenuViewLayerTest.java b/packages/SystemUI/tests/src/com/android/systemui/accessibility/floatingmenu/MenuViewLayerTest.java
index df7d1b7..aed795a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/accessibility/floatingmenu/MenuViewLayerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/accessibility/floatingmenu/MenuViewLayerTest.java
@@ -222,14 +222,14 @@
 
     @Test
     public void showingImeInsetsChange_overlapOnIme_menuShownAboveIme() {
-        final float menuTop = IME_TOP + 100;
-        mMenuAnimationController.moveAndPersistPosition(new PointF(0, menuTop));
+        mMenuAnimationController.moveAndPersistPosition(new PointF(0, IME_TOP + 100));
+        final PointF beforePosition = mMenuView.getMenuPosition();
 
         dispatchShowingImeInsets();
 
         final float menuBottom = mMenuView.getTranslationY() + mMenuView.getMenuHeight();
-        assertThat(mMenuView.getTranslationX()).isEqualTo(0);
-        assertThat(menuBottom).isLessThan(IME_TOP);
+        assertThat(mMenuView.getTranslationX()).isEqualTo(beforePosition.x);
+        assertThat(menuBottom).isLessThan(beforePosition.y);
     }
 
     @Test
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index e0e6cad..59d8e7e 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -869,6 +869,8 @@
                                 ApplicationExitInfo.REASON_LOW_MEMORY,
                                 ApplicationExitInfo.SUBREASON_OOM_KILL,
                                 "oom");
+
+                            oomKill.logKillOccurred();
                         }
                     }
                 }
diff --git a/services/core/java/com/android/server/audio/AdiDeviceState.java b/services/core/java/com/android/server/audio/AdiDeviceState.java
index ba43c8d..292fc14 100644
--- a/services/core/java/com/android/server/audio/AdiDeviceState.java
+++ b/services/core/java/com/android/server/audio/AdiDeviceState.java
@@ -188,7 +188,7 @@
      * {@link AdiDeviceState#toPersistableString()}.
      */
     public static int getPeristedMaxSize() {
-        return 36;  /* (mDeviceType)2 + (mDeviceAddresss)17 + (mInternalDeviceType)9 + (mSAEnabled)1
+        return 36;  /* (mDeviceType)2 + (mDeviceAddress)17 + (mInternalDeviceType)9 + (mSAEnabled)1
                            + (mHasHeadTracker)1 + (mHasHeadTrackerEnabled)1
                            + (SETTINGS_FIELD_SEPARATOR)5 */
     }
diff --git a/services/core/java/com/android/server/display/DisplayManagerShellCommand.java b/services/core/java/com/android/server/display/DisplayManagerShellCommand.java
index d97c8e7..8c39d7d 100644
--- a/services/core/java/com/android/server/display/DisplayManagerShellCommand.java
+++ b/services/core/java/com/android/server/display/DisplayManagerShellCommand.java
@@ -16,6 +16,13 @@
 
 package com.android.server.display;
 
+import static android.view.Display.TYPE_EXTERNAL;
+import static android.view.Display.TYPE_INTERNAL;
+import static android.view.Display.TYPE_OVERLAY;
+import static android.view.Display.TYPE_UNKNOWN;
+import static android.view.Display.TYPE_VIRTUAL;
+import static android.view.Display.TYPE_WIFI;
+
 import android.content.Context;
 import android.content.Intent;
 import android.hardware.display.DisplayManager;
@@ -26,7 +33,10 @@
 import com.android.server.display.feature.DisplayManagerFlags;
 
 import java.io.PrintWriter;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
+import java.util.Locale;
 
 class DisplayManagerShellCommand extends ShellCommand {
     private static final String TAG = "DisplayManagerShellCommand";
@@ -153,9 +163,12 @@
         pw.println("    Sets the user disabled HDR types as TYPES");
         pw.println("  get-user-disabled-hdr-types");
         pw.println("    Returns the user disabled HDR types");
-        pw.println("  get-displays [CATEGORY]");
+        pw.println("  get-displays [-c|--category CATEGORY] [-i|--ids-only] [-t|--type TYPE]");
+        pw.println("    [CATEGORY]");
         pw.println("    Returns the current displays. Can specify string category among");
         pw.println("    DisplayManager.DISPLAY_CATEGORY_*; must use the actual string value.");
+        pw.println("    Can choose to print only the ids of the displays. " +  "Can filter by");
+        pw.println("    display types. For example, '--type external'");
         pw.println("  dock");
         pw.println("    Sets brightness to docked + idle screen brightness mode");
         pw.println("  undock");
@@ -171,17 +184,94 @@
     }
 
     private int getDisplays() {
-        String category = getNextArg();
+        String opt = "", requestedType, category = null;
+        PrintWriter out = getOutPrintWriter();
+
+        List<Integer> displayTypeList = new ArrayList<>();
+        boolean showIdsOnly = false, filterByType = false;
+        while ((opt = getNextOption()) != null) {
+            switch (opt) {
+                case "-i":
+                case "--ids-only":
+                    showIdsOnly = true;
+                    break;
+                case "-t":
+                case "--type":
+                    requestedType = getNextArgRequired();
+                    int displayType = getType(requestedType, out);
+                    if (displayType == -1) {
+                        return 1;
+                    }
+                    displayTypeList.add(displayType);
+                    filterByType = true;
+                    break;
+                case "-c":
+                case "--category":
+                    if (category != null) {
+                        out.println("Error: the category has been specified more than one time. "
+                                + "Please select only one category.");
+                        return 1;
+                    }
+                    category = getNextArgRequired();
+                    break;
+                case "":
+                    break;
+                default:
+                    out.println("Error: unknown option '" + opt + "'");
+                    return 1;
+            }
+        }
+
+        String lastCategoryArgument = getNextArg();
+        if (lastCategoryArgument != null) {
+            if (category != null) {
+                out.println("Error: the category has been specified both with the -c option and "
+                        + "the positional argument. Please select only one category.");
+                return 1;
+            }
+            category = lastCategoryArgument;
+        }
+
         DisplayManager dm = mService.getContext().getSystemService(DisplayManager.class);
         Display[] displays = dm.getDisplays(category);
-        PrintWriter out = getOutPrintWriter();
-        out.println("Displays:");
+
+        if (filterByType) {
+            displays = Arrays.stream(displays).filter(d -> displayTypeList.contains(d.getType()))
+                    .toArray(Display[]::new);
+        }
+
+        if (!showIdsOnly) {
+            out.println("Displays:");
+        }
         for (int i = 0; i < displays.length; i++) {
-            out.println("  " + displays[i]);
+            out.println((showIdsOnly ? displays[i].getDisplayId() : displays[i]));
         }
         return 0;
     }
 
+    private int getType(String type, PrintWriter out) {
+        type = type.toUpperCase(Locale.ENGLISH);
+        switch (type) {
+            case "UNKNOWN":
+                return TYPE_UNKNOWN;
+            case "INTERNAL":
+                return TYPE_INTERNAL;
+            case "EXTERNAL":
+                return TYPE_EXTERNAL;
+            case "WIFI":
+                return TYPE_WIFI;
+            case "OVERLAY":
+                return TYPE_OVERLAY;
+            case "VIRTUAL":
+                return TYPE_VIRTUAL;
+            default:
+                out.println("Error: argument for display type should be "
+                        + "one of 'UNKNOWN', 'INTERNAL', 'EXTERNAL', 'WIFI', 'OVERLAY', 'VIRTUAL', "
+                        + "but got '" + type + "' instead.");
+                return -1;
+        }
+    }
+
     private int showNotification() {
         final String notificationType = getNextArg();
         if (notificationType == null) {
diff --git a/services/core/java/com/android/server/wm/ContentRecorder.java b/services/core/java/com/android/server/wm/ContentRecorder.java
index 06448d0..022ef61 100644
--- a/services/core/java/com/android/server/wm/ContentRecorder.java
+++ b/services/core/java/com/android/server/wm/ContentRecorder.java
@@ -28,6 +28,7 @@
 import android.annotation.Nullable;
 import android.content.res.Configuration;
 import android.graphics.Point;
+import android.graphics.PointF;
 import android.graphics.Rect;
 import android.media.projection.IMediaProjectionManager;
 import android.os.IBinder;
@@ -36,10 +37,12 @@
 import android.view.ContentRecordingSession;
 import android.view.ContentRecordingSession.RecordContent;
 import android.view.Display;
+import android.view.DisplayInfo;
 import android.view.SurfaceControl;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.protolog.common.ProtoLog;
+import com.android.server.display.feature.DisplayManagerFlags;
 
 /**
  * Manages content recording for a particular {@link DisplayContent}.
@@ -47,6 +50,16 @@
 final class ContentRecorder implements WindowContainerListener {
 
     /**
+     * Maximum acceptable anisotropy for the output image.
+     *
+     * Necessary to avoid unnecessary scaling when the anisotropy is almost the same, as it is not
+     * exact anyway. For external displays, we expect an anisoptry of about 2% even if the pixels
+     * are, in fact, square due to the imprecision of the display's actual size (rounded to the
+     * nearest cm).
+     */
+    private static final float MAX_ANISOTROPY = 0.025f;
+
+    /**
      * The display content this class is handling recording for.
      */
     @NonNull
@@ -87,15 +100,20 @@
     @Configuration.Orientation
     private int mLastOrientation = ORIENTATION_UNDEFINED;
 
+    private final boolean mCorrectForAnisotropicPixels;
+
     ContentRecorder(@NonNull DisplayContent displayContent) {
-        this(displayContent, new RemoteMediaProjectionManagerWrapper(displayContent.mDisplayId));
+        this(displayContent, new RemoteMediaProjectionManagerWrapper(displayContent.mDisplayId),
+                new DisplayManagerFlags().isConnectedDisplayManagementEnabled());
     }
 
     @VisibleForTesting
     ContentRecorder(@NonNull DisplayContent displayContent,
-            @NonNull MediaProjectionManagerWrapper mediaProjectionManager) {
+            @NonNull MediaProjectionManagerWrapper mediaProjectionManager,
+            boolean correctForAnisotropicPixels) {
         mDisplayContent = displayContent;
         mMediaProjectionManager = mediaProjectionManager;
+        mCorrectForAnisotropicPixels = correctForAnisotropicPixels;
     }
 
     /**
@@ -460,6 +478,33 @@
         }
     }
 
+    private void computeScaling(int inputSizeX, int inputSizeY,
+            float inputDpiX, float inputDpiY,
+            int outputSizeX, int outputSizeY,
+            float outputDpiX, float outputDpiY,
+            PointF scaleOut) {
+        float relAnisotropy = (inputDpiY / inputDpiX) / (outputDpiY / outputDpiX);
+        if (!mCorrectForAnisotropicPixels
+                || (relAnisotropy > (1 - MAX_ANISOTROPY) && relAnisotropy < (1 + MAX_ANISOTROPY))) {
+            // Calculate the scale to apply to the root mirror SurfaceControl to fit the size of the
+            // output surface.
+            float scaleX = outputSizeX / (float) inputSizeX;
+            float scaleY = outputSizeY / (float) inputSizeY;
+            float scale = Math.min(scaleX, scaleY);
+            scaleOut.x = scale;
+            scaleOut.y = scale;
+            return;
+        }
+
+        float relDpiX = outputDpiX / inputDpiX;
+        float relDpiY = outputDpiY / inputDpiY;
+
+        float scale = Math.min(outputSizeX / relDpiX / inputSizeX,
+                outputSizeY / relDpiY / inputSizeY);
+        scaleOut.x = scale * relDpiX;
+        scaleOut.y = scale * relDpiY;
+    }
+
     /**
      * Apply transformations to the mirrored surface to ensure the captured contents are scaled to
      * fit and centred in the output surface.
@@ -473,13 +518,19 @@
      */
     @VisibleForTesting void updateMirroredSurface(SurfaceControl.Transaction transaction,
             Rect recordedContentBounds, Point surfaceSize) {
-        // Calculate the scale to apply to the root mirror SurfaceControl to fit the size of the
-        // output surface.
-        float scaleX = surfaceSize.x / (float) recordedContentBounds.width();
-        float scaleY = surfaceSize.y / (float) recordedContentBounds.height();
-        float scale = Math.min(scaleX, scaleY);
-        int scaledWidth = Math.round(scale * (float) recordedContentBounds.width());
-        int scaledHeight = Math.round(scale * (float) recordedContentBounds.height());
+
+        DisplayInfo inputDisplayInfo = mRecordedWindowContainer.mDisplayContent.getDisplayInfo();
+        DisplayInfo outputDisplayInfo = mDisplayContent.getDisplayInfo();
+
+        PointF scale = new PointF();
+        computeScaling(recordedContentBounds.width(), recordedContentBounds.height(),
+                inputDisplayInfo.physicalXDpi, inputDisplayInfo.physicalYDpi,
+                surfaceSize.x, surfaceSize.y,
+                outputDisplayInfo.physicalXDpi, outputDisplayInfo.physicalYDpi,
+                scale);
+
+        int scaledWidth = Math.round(scale.x * (float) recordedContentBounds.width());
+        int scaledHeight = Math.round(scale.y * (float) recordedContentBounds.height());
 
         // Calculate the shift to apply to the root mirror SurfaceControl to centre the mirrored
         // contents in the output surface.
@@ -493,10 +544,10 @@
         }
 
         ProtoLog.v(WM_DEBUG_CONTENT_RECORDING,
-                "Content Recording: Apply transformations of shift %d x %d, scale %f, crop (aka "
-                        + "recorded content size) %d x %d for display %d; display has size %d x "
-                        + "%d; surface has size %d x %d",
-                shiftedX, shiftedY, scale, recordedContentBounds.width(),
+                "Content Recording: Apply transformations of shift %d x %d, scale %f x %f, crop "
+                        + "(aka recorded content size) %d x %d for display %d; display has size "
+                        + "%d x %d; surface has size %d x %d",
+                shiftedX, shiftedY, scale.x, scale.y, recordedContentBounds.width(),
                 recordedContentBounds.height(), mDisplayContent.getDisplayId(),
                 mDisplayContent.getConfiguration().screenWidthDp,
                 mDisplayContent.getConfiguration().screenHeightDp, surfaceSize.x, surfaceSize.y);
@@ -508,7 +559,7 @@
                         recordedContentBounds.height())
                 // Scale the root mirror SurfaceControl, based upon the size difference between the
                 // source (DisplayArea to capture) and output (surface the app reads images from).
-                .setMatrix(mRecordedSurface, scale, 0 /* dtdx */, 0 /* dtdy */, scale)
+                .setMatrix(mRecordedSurface, scale.x, 0 /* dtdx */, 0 /* dtdy */, scale.y)
                 // Position needs to be updated when the mirrored DisplayArea has changed, since
                 // the content will no longer be centered in the output surface.
                 .setPosition(mRecordedSurface, shiftedX /* x */, shiftedY /* y */);
diff --git a/services/tests/PackageManagerServiceTests/host/Android.bp b/services/tests/PackageManagerServiceTests/host/Android.bp
index 6eacef7..c617ec4 100644
--- a/services/tests/PackageManagerServiceTests/host/Android.bp
+++ b/services/tests/PackageManagerServiceTests/host/Android.bp
@@ -58,6 +58,7 @@
         ":PackageManagerTestOverlayTarget",
         ":PackageManagerTestOverlayTargetNoOverlayable",
         ":PackageManagerTestAppDeclaresStaticLibrary",
+        ":PackageManagerTestAppDifferentPkgName",
         ":PackageManagerTestAppStub",
         ":PackageManagerTestAppUsesStaticLibrary",
         ":PackageManagerTestAppVersion1",
diff --git a/services/tests/PackageManagerServiceTests/host/src/com/android/server/pm/test/TamperedUpdatedSystemPackageTest.kt b/services/tests/PackageManagerServiceTests/host/src/com/android/server/pm/test/TamperedUpdatedSystemPackageTest.kt
index c490604..304f605 100644
--- a/services/tests/PackageManagerServiceTests/host/src/com/android/server/pm/test/TamperedUpdatedSystemPackageTest.kt
+++ b/services/tests/PackageManagerServiceTests/host/src/com/android/server/pm/test/TamperedUpdatedSystemPackageTest.kt
@@ -44,6 +44,10 @@
         private const val VERSION_TWO_ALT_KEY = "PackageManagerTestAppVersion2AltKey.apk"
         private const val VERSION_TWO_ALT_KEY_IDSIG =
                 "PackageManagerTestAppVersion2AltKey.apk.idsig"
+
+        private const val ANOTHER_PKG_NAME = "com.android.server.pm.test.test_app2"
+        private const val ANOTHER_PKG = "PackageManagerTestAppDifferentPkgName.apk"
+
         private const val STRICT_SIGNATURE_CONFIG_PATH =
                 "/system/etc/sysconfig/preinstalled-packages-strict-signature.xml"
         private const val TIMESTAMP_REFERENCE_FILE_PATH = "/data/local/tmp/timestamp.ref"
@@ -74,6 +78,7 @@
     @After
     fun removeApk() {
         device.uninstallPackage(TEST_PKG_NAME)
+        device.uninstallPackage(ANOTHER_PKG_NAME)
     }
 
     @Before
@@ -90,7 +95,9 @@
                     .readText()
                     .replace(
                         "</config>",
-                            "<require-strict-signature package=\"${TEST_PKG_NAME}\"/></config>"
+                            "<require-strict-signature package=\"${TEST_PKG_NAME}\"/>" +
+                            "<require-strict-signature package=\"${ANOTHER_PKG_NAME}\"/>" +
+                            "</config>"
                     )
             writeText(newConfigText)
         }
@@ -146,10 +153,7 @@
                 tempFolder.newFile()
         )
         assertThat(device.installPackage(versionTwoFile, true)).isNull()
-        val baseApkPath = device.executeShellCommand("pm path ${TEST_PKG_NAME}")
-                .lineSequence()
-                .first()
-                .replace("package:", "")
+        val baseApkPath = getBaseApkPath(TEST_PKG_NAME)
         assertThat(baseApkPath).doesNotContain(productPath.toString())
         preparer.pushResourceFile(VERSION_TWO_ALT_KEY_IDSIG, baseApkPath.toString() + ".idsig")
 
@@ -175,4 +179,23 @@
         assertThat(device.executeShellCommand("pm path ${TEST_PKG_NAME}"))
                 .contains(productPath.toString())
     }
+
+    @Test
+    fun allowlistedPackageIsNotASystemApp() {
+        // If an allowlisted package isn't a system app, make sure install and boot still works
+        // normally.
+        assertThat(device.installJavaResourceApk(tempFolder, ANOTHER_PKG, /* reinstall */ false))
+                .isNull()
+        assertThat(getBaseApkPath(ANOTHER_PKG_NAME)).startsWith("/data/app/")
+
+        preparer.reboot()
+        assertThat(getBaseApkPath(ANOTHER_PKG_NAME)).startsWith("/data/app/")
+    }
+
+    private fun getBaseApkPath(pkgName: String): String {
+        return device.executeShellCommand("pm path $pkgName")
+                .lineSequence()
+                .first()
+                .replace("package:", "")
+    }
 }
diff --git a/services/tests/PackageManagerServiceTests/host/test-apps/Generic/Android.bp b/services/tests/PackageManagerServiceTests/host/test-apps/Generic/Android.bp
index bee7c40..b826590 100644
--- a/services/tests/PackageManagerServiceTests/host/test-apps/Generic/Android.bp
+++ b/services/tests/PackageManagerServiceTests/host/test-apps/Generic/Android.bp
@@ -76,3 +76,11 @@
     certificate: ":FrameworksServicesTests_keyset_A_cert",
     v4_signature: true,
 }
+
+android_test_helper_app {
+    name: "PackageManagerTestAppDifferentPkgName",
+    manifest: "AndroidManifestDifferentPkgName.xml",
+    srcs: [
+        "src/**/*.kt",
+    ],
+}
diff --git a/services/tests/PackageManagerServiceTests/host/test-apps/Generic/AndroidManifestDifferentPkgName.xml b/services/tests/PackageManagerServiceTests/host/test-apps/Generic/AndroidManifestDifferentPkgName.xml
new file mode 100644
index 0000000..0c5d36e
--- /dev/null
+++ b/services/tests/PackageManagerServiceTests/host/test-apps/Generic/AndroidManifestDifferentPkgName.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2020 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.server.pm.test.test_app2"
+    android:versionCode="1"
+    >
+
+    <permission
+        android:name="com.android.server.pm.test.test_app.TEST_PERMISSION"
+        android:protectionLevel="normal"
+        />
+
+    <application>
+        <activity android:name="com.android.server.pm.test.test_app.TestActivity"
+            android:label="PackageManagerTestApp" />
+    </application>
+
+</manifest>
diff --git a/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java b/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
index 6bfd93b..4bb7d63 100644
--- a/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
+++ b/services/tests/servicestests/src/com/android/server/job/JobStoreTest.java
@@ -4,6 +4,8 @@
 import static android.net.NetworkCapabilities.NET_CAPABILITY_OEM_PAID;
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
 
+import static com.android.server.job.JobStore.JOB_FILE_SPLIT_PREFIX;
+
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -46,6 +48,7 @@
 import org.junit.runner.RunWith;
 
 import java.io.File;
+import java.nio.file.Files;
 import java.time.Clock;
 import java.time.ZoneOffset;
 import java.util.ArrayList;
@@ -209,6 +212,43 @@
         assertEquals("Incorrect # of persisted tasks.", 0, jobStatusSet.size());
     }
 
+    @Test
+    public void testSkipExtraFiles() throws Exception {
+        setUseSplitFiles(true);
+        final JobInfo task1 = new Builder(8, mComponent)
+                .setRequiresDeviceIdle(true)
+                .setPeriodic(10000L)
+                .setRequiresCharging(true)
+                .setPersisted(true)
+                .build();
+        final JobInfo task2 = new Builder(12, mComponent)
+                .setMinimumLatency(5000L)
+                .setBackoffCriteria(15000L, JobInfo.BACKOFF_POLICY_LINEAR)
+                .setOverrideDeadline(30000L)
+                .setRequiredNetworkType(JobInfo.NETWORK_TYPE_UNMETERED)
+                .setPersisted(true)
+                .build();
+        final int uid1 = SOME_UID;
+        final int uid2 = uid1 + 1;
+        final JobStatus JobStatus1 = JobStatus.createFromJobInfo(task1, uid1, null, -1, null, null);
+        final JobStatus JobStatus2 = JobStatus.createFromJobInfo(task2, uid2, null, -1, null, null);
+        runWritingJobsToDisk(JobStatus1, JobStatus2);
+
+        final File rootDir = new File(mTestContext.getFilesDir(), "system/job");
+        final File file1 = new File(rootDir, JOB_FILE_SPLIT_PREFIX + uid1 + ".xml");
+        final File file2 = new File(rootDir, JOB_FILE_SPLIT_PREFIX + uid2 + ".xml");
+
+        Files.copy(file1.toPath(),
+                new File(rootDir, JOB_FILE_SPLIT_PREFIX + uid1 + ".xml.bak").toPath());
+        Files.copy(file1.toPath(), new File(rootDir, "random.xml").toPath());
+        Files.copy(file2.toPath(),
+                new File(rootDir, "blah" + JOB_FILE_SPLIT_PREFIX + uid1 + ".xml").toPath());
+
+        JobSet jobStatusSet = new JobSet();
+        mTaskStoreUnderTest.readJobMapFromDisk(jobStatusSet, true);
+        assertEquals("Incorrect # of persisted tasks.", 2, jobStatusSet.size());
+    }
+
     /**
      * Test that dynamic constraints aren't written to disk.
      */
@@ -254,22 +294,22 @@
         file = new File(mTestContext.getFilesDir(), "10000");
         assertEquals(JobStore.INVALID_UID, JobStore.extractUidFromJobFileName(file));
 
-        file = new File(mTestContext.getFilesDir(), JobStore.JOB_FILE_SPLIT_PREFIX);
+        file = new File(mTestContext.getFilesDir(), JOB_FILE_SPLIT_PREFIX);
         assertEquals(JobStore.INVALID_UID, JobStore.extractUidFromJobFileName(file));
 
-        file = new File(mTestContext.getFilesDir(), JobStore.JOB_FILE_SPLIT_PREFIX + "text.xml");
+        file = new File(mTestContext.getFilesDir(), JOB_FILE_SPLIT_PREFIX + "text.xml");
         assertEquals(JobStore.INVALID_UID, JobStore.extractUidFromJobFileName(file));
 
-        file = new File(mTestContext.getFilesDir(), JobStore.JOB_FILE_SPLIT_PREFIX + ".xml");
+        file = new File(mTestContext.getFilesDir(), JOB_FILE_SPLIT_PREFIX + ".xml");
         assertEquals(JobStore.INVALID_UID, JobStore.extractUidFromJobFileName(file));
 
-        file = new File(mTestContext.getFilesDir(), JobStore.JOB_FILE_SPLIT_PREFIX + "-10123.xml");
+        file = new File(mTestContext.getFilesDir(), JOB_FILE_SPLIT_PREFIX + "-10123.xml");
         assertEquals(JobStore.INVALID_UID, JobStore.extractUidFromJobFileName(file));
 
-        file = new File(mTestContext.getFilesDir(), JobStore.JOB_FILE_SPLIT_PREFIX + "1.xml");
+        file = new File(mTestContext.getFilesDir(), JOB_FILE_SPLIT_PREFIX + "1.xml");
         assertEquals(1, JobStore.extractUidFromJobFileName(file));
 
-        file = new File(mTestContext.getFilesDir(), JobStore.JOB_FILE_SPLIT_PREFIX + "101023.xml");
+        file = new File(mTestContext.getFilesDir(), JOB_FILE_SPLIT_PREFIX + "101023.xml");
         assertEquals(101023, JobStore.extractUidFromJobFileName(file));
     }
 
diff --git a/services/tests/wmtests/src/com/android/server/wm/ContentRecorderTests.java b/services/tests/wmtests/src/com/android/server/wm/ContentRecorderTests.java
index d2eb1cc..78566fb 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ContentRecorderTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ContentRecorderTests.java
@@ -84,31 +84,49 @@
     private final ContentRecordingSession mWaitingDisplaySession =
             ContentRecordingSession.createDisplaySession(DEFAULT_DISPLAY);
     private ContentRecordingSession mTaskSession;
-    private static Point sSurfaceSize;
+    private Point mSurfaceSize;
     private ContentRecorder mContentRecorder;
     @Mock private MediaProjectionManagerWrapper mMediaProjectionManagerWrapper;
     private SurfaceControl mRecordedSurface;
 
+    private boolean mHandleAnisotropicDisplayMirroring = false;
+
     @Before public void setUp() {
         MockitoAnnotations.initMocks(this);
 
-        // GIVEN SurfaceControl can successfully mirror the provided surface.
-        sSurfaceSize = new Point(
-                mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().width(),
-                mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().height());
-        mRecordedSurface = surfaceControlMirrors(sSurfaceSize);
-
         doReturn(INVALID_DISPLAY).when(mWm.mDisplayManagerInternal).getDisplayIdToMirror(anyInt());
 
-        // GIVEN the VirtualDisplay associated with the session (so the display has state ON).
+        // Skip unnecessary operations of relayout.
+        spyOn(mWm.mWindowPlacerLocked);
+        doNothing().when(mWm.mWindowPlacerLocked).performSurfacePlacement(anyBoolean());
+    }
+
+    private void defaultInit() {
+        createContentRecorder(createDefaultDisplayInfo());
+    }
+
+    private DisplayInfo createDefaultDisplayInfo() {
+        return createDisplayInfo(mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().width(),
+                mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().height());
+    }
+
+    private DisplayInfo createDisplayInfo(int width, int height) {
+        // GIVEN SurfaceControl can successfully mirror the provided surface.
+        mSurfaceSize = new Point(width, height);
+        mRecordedSurface = surfaceControlMirrors(mSurfaceSize);
+
         DisplayInfo displayInfo = mDisplayInfo;
-        displayInfo.logicalWidth = sSurfaceSize.x;
-        displayInfo.logicalHeight = sSurfaceSize.y;
+        displayInfo.logicalWidth = width;
+        displayInfo.logicalHeight = height;
         displayInfo.state = STATE_ON;
+        return displayInfo;
+    }
+
+    private void createContentRecorder(DisplayInfo displayInfo) {
         mVirtualDisplayContent = createNewDisplay(displayInfo);
         final int displayId = mVirtualDisplayContent.getDisplayId();
         mContentRecorder = new ContentRecorder(mVirtualDisplayContent,
-                mMediaProjectionManagerWrapper);
+                mMediaProjectionManagerWrapper, mHandleAnisotropicDisplayMirroring);
         spyOn(mVirtualDisplayContent);
 
         // GIVEN MediaProjection has already initialized the WindowToken of the DisplayArea to
@@ -124,14 +142,11 @@
         // GIVEN a session is waiting for the user to review consent.
         mWaitingDisplaySession.setVirtualDisplayId(displayId);
         mWaitingDisplaySession.setWaitingForConsent(true);
-
-        // Skip unnecessary operations of relayout.
-        spyOn(mWm.mWindowPlacerLocked);
-        doNothing().when(mWm.mWindowPlacerLocked).performSurfacePlacement(anyBoolean());
     }
 
     @Test
     public void testIsCurrentlyRecording() {
+        defaultInit();
         assertThat(mContentRecorder.isCurrentlyRecording()).isFalse();
 
         mContentRecorder.updateRecording();
@@ -140,6 +155,7 @@
 
     @Test
     public void testUpdateRecording_display() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
         assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
@@ -147,6 +163,7 @@
 
     @Test
     public void testUpdateRecording_display_invalidDisplayIdToMirror() {
+        defaultInit();
         ContentRecordingSession session = ContentRecordingSession.createDisplaySession(
                 INVALID_DISPLAY);
         mContentRecorder.setContentRecordingSession(session);
@@ -156,6 +173,7 @@
 
     @Test
     public void testUpdateRecording_display_noDisplayContentToMirror() {
+        defaultInit();
         doReturn(null).when(
                 mWm.mRoot).getDisplayContent(anyInt());
         mContentRecorder.setContentRecordingSession(mDisplaySession);
@@ -165,6 +183,7 @@
 
     @Test
     public void testUpdateRecording_task_nullToken() {
+        defaultInit();
         ContentRecordingSession session = mTaskSession;
         session.setVirtualDisplayId(mDisplaySession.getVirtualDisplayId());
         session.setTokenToRecord(null);
@@ -176,6 +195,7 @@
 
     @Test
     public void testUpdateRecording_task_noWindowContainer() {
+        defaultInit();
         // Use the window container token of the DisplayContent, rather than task.
         ContentRecordingSession invalidTaskSession = ContentRecordingSession.createTaskSession(
                 new WindowContainer.RemoteToken(mDisplayContent));
@@ -187,6 +207,7 @@
 
     @Test
     public void testUpdateRecording_wasPaused() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
 
@@ -197,6 +218,7 @@
 
     @Test
     public void testUpdateRecording_waitingForConsent() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mWaitingDisplaySession);
         mContentRecorder.updateRecording();
         assertThat(mContentRecorder.isCurrentlyRecording()).isFalse();
@@ -209,6 +231,7 @@
 
     @Test
     public void testOnConfigurationChanged_neverRecording() {
+        defaultInit();
         mContentRecorder.onConfigurationChanged(ORIENTATION_PORTRAIT);
 
         verify(mTransaction, never()).setPosition(eq(mRecordedSurface), anyFloat(), anyFloat());
@@ -218,6 +241,7 @@
 
     @Test
     public void testOnConfigurationChanged_resizesSurface() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
         // Ensure a different orientation when we check if something has changed.
@@ -234,13 +258,14 @@
 
     @Test
     public void testOnConfigurationChanged_resizesVirtualDisplay() {
+        defaultInit();
         final int newWidth = 55;
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
 
         // The user rotates the device, so the host app resizes the virtual display for the capture.
-        resizeDisplay(mDisplayContent, newWidth, sSurfaceSize.y);
-        resizeDisplay(mVirtualDisplayContent, newWidth, sSurfaceSize.y);
+        resizeDisplay(mDisplayContent, newWidth, mSurfaceSize.y);
+        resizeDisplay(mVirtualDisplayContent, newWidth, mSurfaceSize.y);
         mContentRecorder.onConfigurationChanged(mDisplayContent.getConfiguration().orientation);
 
         verify(mTransaction, atLeast(2)).setPosition(eq(mRecordedSurface), anyFloat(),
@@ -251,6 +276,7 @@
 
     @Test
     public void testOnConfigurationChanged_rotateVirtualDisplay() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
 
@@ -271,12 +297,13 @@
      */
     @Test
     public void testOnConfigurationChanged_resizeSurface() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
 
         // Resize the output surface.
-        final Point newSurfaceSize = new Point(Math.round(sSurfaceSize.x / 2f),
-                Math.round(sSurfaceSize.y * 2));
+        final Point newSurfaceSize = new Point(Math.round(mSurfaceSize.x / 2f),
+                Math.round(mSurfaceSize.y * 2));
         doReturn(newSurfaceSize).when(mWm.mDisplayManagerInternal).getDisplaySurfaceDefaultSize(
                 anyInt());
         mContentRecorder.onConfigurationChanged(
@@ -292,6 +319,7 @@
 
     @Test
     public void testOnTaskOrientationConfigurationChanged_resizesSurface() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mTaskSession);
         mContentRecorder.updateRecording();
 
@@ -314,6 +342,7 @@
 
     @Test
     public void testOnTaskBoundsConfigurationChanged_notifiesCallback() {
+        defaultInit();
         mTask.getRootTask().setWindowingMode(WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW);
 
         final int minWidth = 222;
@@ -351,6 +380,7 @@
 
     @Test
     public void testTaskWindowingModeChanged_pip_stopsRecording() {
+        defaultInit();
         // WHEN a recording is ongoing.
         mTask.setWindowingMode(WINDOWING_MODE_FULLSCREEN);
         mContentRecorder.setContentRecordingSession(mTaskSession);
@@ -368,6 +398,7 @@
 
     @Test
     public void testTaskWindowingModeChanged_fullscreen_startsRecording() {
+        defaultInit();
         // WHEN a recording is ongoing.
         mTask.setWindowingMode(WINDOWING_MODE_PINNED);
         mContentRecorder.setContentRecordingSession(mTaskSession);
@@ -384,6 +415,7 @@
 
     @Test
     public void testStartRecording_notifiesCallback_taskSession() {
+        defaultInit();
         // WHEN a recording is ongoing.
         mContentRecorder.setContentRecordingSession(mTaskSession);
         mContentRecorder.updateRecording();
@@ -396,6 +428,7 @@
 
     @Test
     public void testStartRecording_notifiesCallback_displaySession() {
+        defaultInit();
         // WHEN a recording is ongoing.
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
@@ -408,6 +441,7 @@
 
     @Test
     public void testStartRecording_taskInPIP_recordingNotStarted() {
+        defaultInit();
         // GIVEN a task is in PIP.
         mContentRecorder.setContentRecordingSession(mTaskSession);
         mTask.setWindowingMode(WINDOWING_MODE_PINNED);
@@ -421,6 +455,7 @@
 
     @Test
     public void testStartRecording_taskInSplit_recordingStarted() {
+        defaultInit();
         // GIVEN a task is in PIP.
         mContentRecorder.setContentRecordingSession(mTaskSession);
         mTask.setWindowingMode(WINDOWING_MODE_MULTI_WINDOW);
@@ -434,6 +469,7 @@
 
     @Test
     public void testStartRecording_taskInFullscreen_recordingStarted() {
+        defaultInit();
         // GIVEN a task is in PIP.
         mContentRecorder.setContentRecordingSession(mTaskSession);
         mTask.setWindowingMode(WINDOWING_MODE_FULLSCREEN);
@@ -447,6 +483,7 @@
 
     @Test
     public void testOnVisibleRequestedChanged_notifiesCallback() {
+        defaultInit();
         // WHEN a recording is ongoing.
         mContentRecorder.setContentRecordingSession(mTaskSession);
         mContentRecorder.updateRecording();
@@ -471,6 +508,7 @@
 
     @Test
     public void testOnVisibleRequestedChanged_noRecording_doesNotNotifyCallback() {
+        defaultInit();
         // WHEN a recording is not ongoing.
         assertThat(mContentRecorder.isCurrentlyRecording()).isFalse();
 
@@ -493,6 +531,7 @@
 
     @Test
     public void testPauseRecording_pausesRecording() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
 
@@ -502,12 +541,14 @@
 
     @Test
     public void testPauseRecording_neverRecording() {
+        defaultInit();
         mContentRecorder.pauseRecording();
         assertThat(mContentRecorder.isCurrentlyRecording()).isFalse();
     }
 
     @Test
     public void testStopRecording_stopsRecording() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
 
@@ -517,12 +558,14 @@
 
     @Test
     public void testStopRecording_neverRecording() {
+        defaultInit();
         mContentRecorder.stopRecording();
         assertThat(mContentRecorder.isCurrentlyRecording()).isFalse();
     }
 
     @Test
     public void testRemoveTask_stopsRecording() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mTaskSession);
         mContentRecorder.updateRecording();
 
@@ -533,6 +576,7 @@
 
     @Test
     public void testRemoveTask_stopsRecording_nullSessionShouldNotThrowExceptions() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mTaskSession);
         mContentRecorder.updateRecording();
         mContentRecorder.setContentRecordingSession(null);
@@ -541,6 +585,7 @@
 
     @Test
     public void testUpdateMirroredSurface_capturedAreaResized() {
+        defaultInit();
         mContentRecorder.setContentRecordingSession(mDisplaySession);
         mContentRecorder.updateRecording();
         assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
@@ -548,9 +593,9 @@
         // WHEN attempting to mirror on the virtual display, and the captured content is resized.
         float xScale = 0.7f;
         float yScale = 2f;
-        Rect displayAreaBounds = new Rect(0, 0, Math.round(sSurfaceSize.x * xScale),
-                Math.round(sSurfaceSize.y * yScale));
-        mContentRecorder.updateMirroredSurface(mTransaction, displayAreaBounds, sSurfaceSize);
+        Rect displayAreaBounds = new Rect(0, 0, Math.round(mSurfaceSize.x * xScale),
+                Math.round(mSurfaceSize.y * yScale));
+        mContentRecorder.updateMirroredSurface(mTransaction, displayAreaBounds, mSurfaceSize);
         assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
 
         // THEN content in the captured DisplayArea is scaled to fit the surface size.
@@ -558,7 +603,7 @@
                 1.0f / yScale);
         // THEN captured content is positioned in the centre of the output surface.
         int scaledWidth = Math.round((float) displayAreaBounds.width() / xScale);
-        int xInset = (sSurfaceSize.x - scaledWidth) / 2;
+        int xInset = (mSurfaceSize.x - scaledWidth) / 2;
         verify(mTransaction, atLeastOnce()).setPosition(mRecordedSurface, xInset, 0);
         // THEN the resize callback is notified.
         verify(mMediaProjectionManagerWrapper).notifyActiveProjectionCapturedContentResized(
@@ -566,7 +611,131 @@
     }
 
     @Test
+    public void testUpdateMirroredSurface_isotropicPixel() {
+        mHandleAnisotropicDisplayMirroring = false;
+        DisplayInfo displayInfo = createDefaultDisplayInfo();
+        createContentRecorder(displayInfo);
+        mContentRecorder.setContentRecordingSession(mDisplaySession);
+        mContentRecorder.updateRecording();
+        assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
+
+        verify(mTransaction, atLeastOnce()).setMatrix(mRecordedSurface, 1, 0, 0, 1);
+    }
+
+    @Test
+    public void testUpdateMirroredSurface_anisotropicPixel_compressY() {
+        mHandleAnisotropicDisplayMirroring = true;
+        DisplayInfo displayInfo = createDefaultDisplayInfo();
+        DisplayInfo inputDisplayInfo =
+                mWm.mRoot.getDisplayContent(DEFAULT_DISPLAY).getDisplayInfo();
+        displayInfo.physicalXDpi = 2.0f * inputDisplayInfo.physicalXDpi;
+        displayInfo.physicalYDpi = inputDisplayInfo.physicalYDpi;
+        createContentRecorder(displayInfo);
+        mContentRecorder.setContentRecordingSession(mDisplaySession);
+        mContentRecorder.updateRecording();
+        assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
+
+        float xScale = 1f;
+        float yScale = 0.5f;
+        verify(mTransaction, atLeastOnce()).setMatrix(mRecordedSurface, xScale, 0, 0,
+                yScale);
+        verify(mTransaction, atLeastOnce()).setPosition(mRecordedSurface, 0,
+                Math.round(0.25 * mSurfaceSize.y));
+    }
+
+    @Test
+    public void testUpdateMirroredSurface_anisotropicPixel_compressX() {
+        mHandleAnisotropicDisplayMirroring = true;
+        DisplayInfo displayInfo = createDefaultDisplayInfo();
+        DisplayInfo inputDisplayInfo =
+                mWm.mRoot.getDisplayContent(DEFAULT_DISPLAY).getDisplayInfo();
+        displayInfo.physicalXDpi = inputDisplayInfo.physicalXDpi;
+        displayInfo.physicalYDpi = 2.0f * inputDisplayInfo.physicalYDpi;
+        createContentRecorder(displayInfo);
+        mContentRecorder.setContentRecordingSession(mDisplaySession);
+        mContentRecorder.updateRecording();
+        assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
+
+        float xScale = 0.5f;
+        float yScale = 1f;
+        verify(mTransaction, atLeastOnce()).setMatrix(mRecordedSurface, xScale, 0, 0,
+                yScale);
+        verify(mTransaction, atLeastOnce()).setPosition(mRecordedSurface,
+                Math.round(0.25 * mSurfaceSize.x), 0);
+    }
+
+    @Test
+    public void testUpdateMirroredSurface_anisotropicPixel_scaleOnX() {
+        mHandleAnisotropicDisplayMirroring = true;
+        int width = 2 * mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().width();
+        int height = 6 * mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().height();
+        DisplayInfo displayInfo = createDisplayInfo(width, height);
+        DisplayInfo inputDisplayInfo =
+                mWm.mRoot.getDisplayContent(DEFAULT_DISPLAY).getDisplayInfo();
+        displayInfo.physicalXDpi = inputDisplayInfo.physicalXDpi;
+        displayInfo.physicalYDpi = 2.0f * inputDisplayInfo.physicalYDpi;
+        createContentRecorder(displayInfo);
+        mContentRecorder.setContentRecordingSession(mDisplaySession);
+        mContentRecorder.updateRecording();
+        assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
+
+        float xScale = 2f;
+        float yScale = 4f;
+        verify(mTransaction, atLeastOnce()).setMatrix(mRecordedSurface, xScale, 0, 0,
+                yScale);
+        verify(mTransaction, atLeastOnce()).setPosition(mRecordedSurface, 0,
+                inputDisplayInfo.logicalHeight);
+    }
+
+    @Test
+    public void testUpdateMirroredSurface_anisotropicPixel_scaleOnY() {
+        mHandleAnisotropicDisplayMirroring = true;
+        int width = 6 * mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().width();
+        int height = 2 * mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().height();
+        DisplayInfo displayInfo = createDisplayInfo(width, height);
+        DisplayInfo inputDisplayInfo =
+                mWm.mRoot.getDisplayContent(DEFAULT_DISPLAY).getDisplayInfo();
+        displayInfo.physicalXDpi = 2.0f * inputDisplayInfo.physicalXDpi;
+        displayInfo.physicalYDpi = inputDisplayInfo.physicalYDpi;
+        createContentRecorder(displayInfo);
+        mContentRecorder.setContentRecordingSession(mDisplaySession);
+        mContentRecorder.updateRecording();
+        assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
+
+        float xScale = 4f;
+        float yScale = 2f;
+        verify(mTransaction, atLeastOnce()).setMatrix(mRecordedSurface, xScale, 0, 0,
+                yScale);
+        verify(mTransaction, atLeastOnce()).setPosition(mRecordedSurface,
+                inputDisplayInfo.logicalWidth, 0);
+    }
+
+    @Test
+    public void testUpdateMirroredSurface_anisotropicPixel_shrinkCanvas() {
+        mHandleAnisotropicDisplayMirroring = true;
+        int width = mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().width() / 2;
+        int height = mDefaultDisplay.getDefaultTaskDisplayArea().getBounds().height() / 2;
+        DisplayInfo displayInfo = createDisplayInfo(width, height);
+        DisplayInfo inputDisplayInfo =
+                mWm.mRoot.getDisplayContent(DEFAULT_DISPLAY).getDisplayInfo();
+        displayInfo.physicalXDpi = 2f * inputDisplayInfo.physicalXDpi;
+        displayInfo.physicalYDpi = inputDisplayInfo.physicalYDpi;
+        createContentRecorder(displayInfo);
+        mContentRecorder.setContentRecordingSession(mDisplaySession);
+        mContentRecorder.updateRecording();
+        assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
+
+        float xScale = 0.5f;
+        float yScale = 0.25f;
+        verify(mTransaction, atLeastOnce()).setMatrix(mRecordedSurface, xScale, 0, 0,
+                yScale);
+        verify(mTransaction, atLeastOnce()).setPosition(mRecordedSurface, 0,
+                (mSurfaceSize.y - height / 2) / 2);
+    }
+
+    @Test
     public void testDisplayContentUpdatesRecording_withoutSurface() {
+        defaultInit();
         // GIVEN MediaProjection has already initialized the WindowToken of the DisplayArea to
         // mirror.
         setUpDefaultTaskDisplayAreaWindowToken();
@@ -585,6 +754,7 @@
 
     @Test
     public void testDisplayContentUpdatesRecording_withSurface() {
+        defaultInit();
         // GIVEN MediaProjection has already initialized the WindowToken of the DisplayArea to
         // mirror.
         setUpDefaultTaskDisplayAreaWindowToken();
@@ -602,12 +772,13 @@
 
     @Test
     public void testDisplayContentUpdatesRecording_displayMirroring() {
+        defaultInit();
         // GIVEN MediaProjection has already initialized the WindowToken of the DisplayArea to
         // mirror.
         setUpDefaultTaskDisplayAreaWindowToken();
 
         // GIVEN SurfaceControl can successfully mirror the provided surface.
-        surfaceControlMirrors(sSurfaceSize);
+        surfaceControlMirrors(mSurfaceSize);
         // Initially disable getDisplayIdToMirror since the DMS may create the DC outside the direct
         // call in the test. We need to spy on the DC before updateRecording is called or we can't
         // verify setDisplayMirroring is called
diff --git a/services/usage/java/com/android/server/usage/UsageStatsHandlerThread.java b/services/usage/java/com/android/server/usage/UsageStatsHandlerThread.java
new file mode 100644
index 0000000..31418d6
--- /dev/null
+++ b/services/usage/java/com/android/server/usage/UsageStatsHandlerThread.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2023 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.usage;
+
+import android.os.Looper;
+import android.os.Trace;
+
+import com.android.internal.annotations.GuardedBy;
+import com.android.server.ServiceThread;
+
+/**
+ * Shared singleton default priority thread for usage stats message handling.
+ */
+public class UsageStatsHandlerThread extends ServiceThread {
+    private static final long SLOW_DISPATCH_THRESHOLD_MS = 10_000;
+    private static final long SLOW_DELIVERY_THRESHOLD_MS = 30_000;
+
+    private static final Object sLock = new Object();
+
+    @GuardedBy("sLock")
+    private static UsageStatsHandlerThread sInstance;
+
+    private UsageStatsHandlerThread() {
+        super("android.usagestats", android.os.Process.THREAD_PRIORITY_DEFAULT,
+                /* allowIo= */ true);
+    }
+
+    @GuardedBy("sLock")
+    private static void ensureThreadLocked() {
+        if (sInstance != null) {
+            return;
+        }
+
+        sInstance = new UsageStatsHandlerThread();
+        sInstance.start();
+        final Looper looper = sInstance.getLooper();
+        looper.setTraceTag(Trace.TRACE_TAG_SYSTEM_SERVER);
+        looper.setSlowLogThresholdMs(
+                SLOW_DISPATCH_THRESHOLD_MS, SLOW_DELIVERY_THRESHOLD_MS);
+    }
+
+    /**
+     * Obtain a singleton instance of the UsageStatsHandlerThread.
+     */
+    public static UsageStatsHandlerThread get() {
+        synchronized (sLock) {
+            ensureThreadLocked();
+            return sInstance;
+        }
+    }
+}
diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index 55b5d11..e413663 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -202,6 +202,7 @@
     static final int MSG_HANDLE_LAUNCH_TIME_ON_USER_UNLOCK = 8;
     static final int MSG_NOTIFY_ESTIMATED_LAUNCH_TIMES_CHANGED = 9;
     static final int MSG_UID_REMOVED = 10;
+    static final int MSG_USER_STARTED = 11;
 
     private final Object mLock = new Object();
     private Handler mHandler;
@@ -334,7 +335,7 @@
         mUserManager = (UserManager) getContext().getSystemService(Context.USER_SERVICE);
         mPackageManager = getContext().getPackageManager();
         mPackageManagerInternal = LocalServices.getService(PackageManagerInternal.class);
-        mHandler = new H(BackgroundThread.get().getLooper());
+        mHandler = getUsageEventProcessingHandler();
         mIoHandler = new Handler(IoThread.get().getLooper(), mIoHandlerCallback);
 
         mAppStandby = mInjector.getAppStandbyController(getContext());
@@ -380,10 +381,12 @@
 
         IntentFilter filter = new IntentFilter(Intent.ACTION_USER_REMOVED);
         filter.addAction(Intent.ACTION_USER_STARTED);
-        getContext().registerReceiverAsUser(new UserActionsReceiver(), UserHandle.ALL,
-                filter, null, /* Handler scheduler */ null);
+        getContext().registerReceiverAsUser(new UserActionsReceiver(), UserHandle.ALL, filter,
+                null, /* scheduler= */ Flags.useDedicatedHandlerThread() ? mHandler : null);
+
         getContext().registerReceiverAsUser(new UidRemovedReceiver(), UserHandle.ALL,
-                new IntentFilter(ACTION_UID_REMOVED), null, /* Handler scheduler */ null);
+                new IntentFilter(ACTION_UID_REMOVED), null,
+                /* scheduler= */ Flags.useDedicatedHandlerThread() ? mHandler : null);
 
         mRealTimeSnapshot = SystemClock.elapsedRealtime();
         mSystemTimeSnapshot = System.currentTimeMillis();
@@ -471,6 +474,14 @@
         }
     }
 
+    private Handler getUsageEventProcessingHandler() {
+        if (Flags.useDedicatedHandlerThread()) {
+            return new H(UsageStatsHandlerThread.get().getLooper());
+        } else {
+            return new H(BackgroundThread.get().getLooper());
+        }
+    }
+
     private void onUserUnlocked(int userId) {
         // fetch the installed packages outside the lock so it doesn't block package manager.
         final HashMap<String, Long> installedPackages = getInstalledPackages(userId);
@@ -618,7 +629,7 @@
                 }
             } else if (Intent.ACTION_USER_STARTED.equals(action)) {
                 if (userId >= 0) {
-                    mAppStandby.postCheckIdleStates(userId);
+                    mHandler.obtainMessage(MSG_USER_STARTED, userId, 0).sendToTarget();
                 }
             }
         }
@@ -1554,8 +1565,7 @@
         synchronized (mLaunchTimeAlarmQueues) {
             LaunchTimeAlarmQueue alarmQueue = mLaunchTimeAlarmQueues.get(userId);
             if (alarmQueue == null) {
-                alarmQueue = new LaunchTimeAlarmQueue(
-                    userId, getContext(), BackgroundThread.get().getLooper());
+                alarmQueue = new LaunchTimeAlarmQueue(userId, getContext(), mHandler.getLooper());
                 mLaunchTimeAlarmQueues.put(userId, alarmQueue);
             }
 
@@ -2040,6 +2050,9 @@
                 case MSG_UID_REMOVED:
                     mResponseStatsTracker.onUidRemoved(msg.arg1);
                     break;
+                case MSG_USER_STARTED:
+                    mAppStandby.postCheckIdleStates(msg.arg1);
+                    break;
                 case MSG_PACKAGE_REMOVED:
                     onPackageRemoved(msg.arg1, (String) msg.obj);
                     break;
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 7a0bf90..540cecf 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -1056,6 +1056,14 @@
             "carrier_use_ims_first_for_emergency_bool";
 
     /**
+     * When {@code true}, this carrier will preferentially dial normal routed emergency calls over
+     * an in-service SIM if one is available.
+     * @hide
+     */
+    public static final String KEY_PREFER_IN_SERVICE_SIM_FOR_NORMAL_ROUTED_EMERGENCY_CALLS_BOOL =
+            "prefer_in_service_sim_for_normal_routed_emergency_calls_bool";
+
+    /**
      * When {@code true}, the determination of whether to place a call as an emergency call will be
      * based on the known {@link android.telephony.emergency.EmergencyNumber}s for the SIM on which
      * the call is being placed. In a dual SIM scenario, if Sim A has the emergency numbers
@@ -9874,6 +9882,8 @@
         sDefaults.putBoolean(KEY_CARRIER_IMS_GBA_REQUIRED_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_INSTANT_LETTERING_AVAILABLE_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_USE_IMS_FIRST_FOR_EMERGENCY_BOOL, true);
+        sDefaults.putBoolean(KEY_PREFER_IN_SERVICE_SIM_FOR_NORMAL_ROUTED_EMERGENCY_CALLS_BOOL,
+                false);
         sDefaults.putBoolean(KEY_USE_ONLY_DIALED_SIM_ECC_LIST_BOOL, false);
         sDefaults.putString(KEY_CARRIER_NETWORK_SERVICE_WWAN_PACKAGE_OVERRIDE_STRING, "");
         sDefaults.putString(KEY_CARRIER_NETWORK_SERVICE_WLAN_PACKAGE_OVERRIDE_STRING, "");