Merge "Fix UnlockedDeviceRequired with weak unlock methods" into main
diff --git a/Android.bp b/Android.bp
index 5f02a15..2113e4b 100644
--- a/Android.bp
+++ b/Android.bp
@@ -205,7 +205,6 @@
         "apex_aidl_interface-java",
         "packagemanager_aidl-java",
         "framework-protos",
-        "libtombstone_proto_java",
         "updatable-driver-protos",
         "ota_metadata_proto_java",
         "android.hidl.base-V1.0-java",
diff --git a/ProtoLibraries.bp b/ProtoLibraries.bp
index d03bbd2..e7adf20 100644
--- a/ProtoLibraries.bp
+++ b/ProtoLibraries.bp
@@ -34,6 +34,7 @@
         ":ipconnectivity-proto-src",
         ":libstats_atom_enum_protos",
         ":libstats_atom_message_protos",
+        ":libtombstone_proto-src",
         "core/proto/**/*.proto",
         "libs/incident/**/*.proto",
     ],
diff --git a/STABILITY_OWNERS b/STABILITY_OWNERS
deleted file mode 100644
index a7ecb4d..0000000
--- a/STABILITY_OWNERS
+++ /dev/null
@@ -1,2 +0,0 @@
-gaillard@google.com
-
diff --git a/core/java/android/appwidget/AppWidgetHostView.java b/core/java/android/appwidget/AppWidgetHostView.java
index ec181da..27f6a26 100644
--- a/core/java/android/appwidget/AppWidgetHostView.java
+++ b/core/java/android/appwidget/AppWidgetHostView.java
@@ -156,22 +156,6 @@
     }
 
     /**
-     * @hide
-     */
-    public static class AdapterChildHostView extends AppWidgetHostView {
-
-        public AdapterChildHostView(Context context) {
-            super(context);
-        }
-
-        @Override
-        public Context getRemoteContextEnsuringCorrectCachedApkPath() {
-            // To reduce noise in error messages
-            return null;
-        }
-    }
-
-    /**
      * Set the AppWidget that will be displayed by this view. This method also adds default padding
      * to widgets, as described in {@link #getDefaultPaddingForWidget(Context, ComponentName, Rect)}
      * and can be overridden in order to add custom padding.
@@ -937,31 +921,17 @@
         setColorResources(RemoteViews.ColorResources.create(mContext, colorMapping));
     }
 
-    private void setColorResourcesStates(RemoteViews.ColorResources colorResources) {
-        mColorResources = colorResources;
-        mColorMappingChanged = true;
-        mViewMode = VIEW_MODE_NOINIT;
-    }
-
     /** @hide **/
     public void setColorResources(RemoteViews.ColorResources colorResources) {
         if (colorResources == mColorResources) {
             return;
         }
-        setColorResourcesStates(colorResources);
+        mColorResources = colorResources;
+        mColorMappingChanged = true;
+        mViewMode = VIEW_MODE_NOINIT;
         reapplyLastRemoteViews();
     }
 
-    /**
-     * @hide
-     */
-    public void setColorResourcesNoReapply(RemoteViews.ColorResources colorResources) {
-        if (colorResources == mColorResources) {
-            return;
-        }
-        setColorResourcesStates(colorResources);
-    }
-
     /** Check if, in the current context, the two color mappings are equivalent. */
     private boolean isSameColorMapping(SparseIntArray oldColors, SparseIntArray newColors) {
         if (oldColors.size() != newColors.size()) {
diff --git a/core/java/android/security/flags.aconfig b/core/java/android/security/flags.aconfig
index 30524a1..1994058 100644
--- a/core/java/android/security/flags.aconfig
+++ b/core/java/android/security/flags.aconfig
@@ -53,7 +53,7 @@
 
 flag {
     name: "frp_enforcement"
-    namespace: "android_hw_security"
+    namespace: "hardware_backed_security"
     description: "This flag controls whether PDB enforces FRP"
     bug: "290312729"
     is_fixed_read_only: true
diff --git a/core/java/android/view/inputmethod/RemoteInputConnectionImpl.java b/core/java/android/view/inputmethod/RemoteInputConnectionImpl.java
index 7694754..c9ffdae 100644
--- a/core/java/android/view/inputmethod/RemoteInputConnectionImpl.java
+++ b/core/java/android/view/inputmethod/RemoteInputConnectionImpl.java
@@ -49,7 +49,6 @@
 import android.view.View;
 import android.view.ViewRootImpl;
 
-import com.android.internal.annotations.GuardedBy;
 import com.android.internal.infra.AndroidFuture;
 import com.android.internal.inputmethod.IRemoteAccessibilityInputConnection;
 import com.android.internal.inputmethod.IRemoteInputConnection;
@@ -60,6 +59,7 @@
 import java.lang.ref.WeakReference;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
@@ -164,18 +164,15 @@
         boolean cancellable();
     }
 
-    @GuardedBy("mLock")
-    @Nullable
-    private InputConnection mInputConnection;
+    @NonNull
+    private final AtomicReference<InputConnection> mInputConnectionRef;
+    @NonNull
+    private final AtomicBoolean mDeactivateRequested = new AtomicBoolean(false);
 
     @NonNull
     private final Looper mLooper;
     private final Handler mH;
 
-    private final Object mLock = new Object();
-    @GuardedBy("mLock")
-    private boolean mFinished = false;
-
     private final InputMethodManager mParentInputMethodManager;
     private final WeakReference<View> mServedView;
 
@@ -193,7 +190,7 @@
     RemoteInputConnectionImpl(@NonNull Looper looper,
             @NonNull InputConnection inputConnection,
             @NonNull InputMethodManager inputMethodManager, @Nullable View servedView) {
-        mInputConnection = inputConnection;
+        mInputConnectionRef = new AtomicReference<>(inputConnection);
         mLooper = looper;
         mH = new Handler(mLooper);
         mParentInputMethodManager = inputMethodManager;
@@ -211,9 +208,7 @@
      */
     @Nullable
     public InputConnection getInputConnection() {
-        synchronized (mLock) {
-            return mInputConnection;
-        }
+        return mInputConnectionRef.get();
     }
 
     /**
@@ -229,13 +224,7 @@
      * {@link InputConnection#closeConnection()} as a result of {@link #deactivate()}.
      */
     private boolean isFinished() {
-        synchronized (mLock) {
-            return mFinished;
-        }
-    }
-
-    private boolean isActive() {
-        return mParentInputMethodManager.isActive() && !isFinished();
+        return mInputConnectionRef.get() == null;
     }
 
     private View getServedView() {
@@ -372,28 +361,18 @@
      */
     @Dispatching(cancellable = false)
     public void deactivate() {
-        if (isFinished()) {
+        if (mDeactivateRequested.getAndSet(true)) {
             // This is a small performance optimization.  Still only the 1st call of
-            // reportFinish() will take effect.
+            // deactivate() will take effect.
             return;
         }
         dispatch(() -> {
             // Deactivate the notifier when finishing typing.
             notifyTypingHint(false /* isTyping */, true /* deactivate */);
 
-            // Note that we do not need to worry about race condition here, because 1) mFinished is
-            // updated only inside this block, and 2) the code here is running on a Handler hence we
-            // assume multiple closeConnection() tasks will not be handled at the same time.
-            if (isFinished()) {
-                return;
-            }
             Trace.traceBegin(Trace.TRACE_TAG_INPUT, "InputConnection#closeConnection");
             try {
                 InputConnection ic = getInputConnection();
-                // Note we do NOT check isActive() here, because this is safe
-                // for an IME to call at any time, and we need to allow it
-                // through to clean up our state after the IME has switched to
-                // another client.
                 if (ic == null) {
                     return;
                 }
@@ -403,10 +382,7 @@
                     // TODO(b/199934664): See if we can remove this by providing a default impl.
                 }
             } finally {
-                synchronized (mLock) {
-                    mInputConnection = null;
-                    mFinished = true;
-                }
+                mInputConnectionRef.set(null);
                 Trace.traceEnd(Trace.TRACE_TAG_INPUT);
             }
 
@@ -460,8 +436,7 @@
     public String toString() {
         return "RemoteInputConnectionImpl{"
                 + "connection=" + getInputConnection()
-                + " finished=" + isFinished()
-                + " mParentInputMethodManager.isActive()=" + mParentInputMethodManager.isActive()
+                + " mDeactivateRequested=" + mDeactivateRequested.get()
                 + " mServedView=" + mServedView.get()
                 + "}";
     }
@@ -474,16 +449,14 @@
      *                {@link DumpableInputConnection#dumpDebug(ProtoOutputStream, long)}.
      */
     public void dumpDebug(ProtoOutputStream proto, long fieldId) {
-        synchronized (mLock) {
-            // Check that the call is initiated in the target thread of the current InputConnection
-            // {@link InputConnection#getHandler} since the messages to IInputConnectionWrapper are
-            // executed on this thread. Otherwise the messages are dispatched to the correct thread
-            // in IInputConnectionWrapper, but this is not wanted while dumpng, for performance
-            // reasons.
-            if ((mInputConnection instanceof DumpableInputConnection)
-                    && mLooper.isCurrentThread()) {
-                ((DumpableInputConnection) mInputConnection).dumpDebug(proto, fieldId);
-            }
+        final InputConnection ic = mInputConnectionRef.get();
+        // Check that the call is initiated in the target thread of the current InputConnection
+        // {@link InputConnection#getHandler} since the messages to IInputConnectionWrapper are
+        // executed on this thread. Otherwise the messages are dispatched to the correct thread
+        // in IInputConnectionWrapper, but this is not wanted while dumping, for performance
+        // reasons.
+        if ((ic instanceof DumpableInputConnection) && mLooper.isCurrentThread()) {
+            ((DumpableInputConnection) ic).dumpDebug(proto, fieldId);
         }
     }
 
@@ -498,7 +471,7 @@
     public void dispatchReportFullscreenMode(boolean enabled) {
         dispatch(() -> {
             final InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 return;
             }
             ic.reportFullscreenMode(enabled);
@@ -514,7 +487,7 @@
                 return null;  // cancelled
             }
             final InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "getTextAfterCursor on inactive InputConnection");
                 return null;
             }
@@ -536,7 +509,7 @@
                 return null;  // cancelled
             }
             final InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "getTextBeforeCursor on inactive InputConnection");
                 return null;
             }
@@ -558,7 +531,7 @@
                 return null;  // cancelled
             }
             final InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "getSelectedText on inactive InputConnection");
                 return null;
             }
@@ -580,7 +553,7 @@
                 return null;  // cancelled
             }
             final InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "getSurroundingText on inactive InputConnection");
                 return null;
             }
@@ -608,7 +581,7 @@
                 return 0;  // cancelled
             }
             final InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "getCursorCapsMode on inactive InputConnection");
                 return 0;
             }
@@ -625,7 +598,7 @@
                 return null;  // cancelled
             }
             final InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "getExtractedText on inactive InputConnection");
                 return null;
             }
@@ -642,7 +615,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "commitText on inactive InputConnection");
                 return;
             }
@@ -660,7 +633,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "commitText on inactive InputConnection");
                 return;
             }
@@ -676,7 +649,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "commitCompletion on inactive InputConnection");
                 return;
             }
@@ -692,7 +665,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "commitCorrection on inactive InputConnection");
                 return;
             }
@@ -712,7 +685,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "setSelection on inactive InputConnection");
                 return;
             }
@@ -728,7 +701,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "performEditorAction on inactive InputConnection");
                 return;
             }
@@ -744,7 +717,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "performContextMenuAction on inactive InputConnection");
                 return;
             }
@@ -760,7 +733,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "setComposingRegion on inactive InputConnection");
                 return;
             }
@@ -781,7 +754,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "setComposingRegion on inactive InputConnection");
                 return;
             }
@@ -798,7 +771,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "setComposingText on inactive InputConnection");
                 return;
             }
@@ -816,7 +789,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "setComposingText on inactive InputConnection");
                 return;
             }
@@ -845,11 +818,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            // Note we do NOT check isActive() here, because this is safe
-            // for an IME to call at any time, and we need to allow it
-            // through to clean up our state after the IME has switched to
-            // another client.
-            if (ic == null) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "finishComposingTextFromImm on inactive InputConnection");
                 return;
             }
@@ -873,11 +842,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            // Note we do NOT check isActive() here, because this is safe
-            // for an IME to call at any time, and we need to allow it
-            // through to clean up our state after the IME has switched to
-            // another client.
-            if (ic == null) {
+            if (ic == null && mDeactivateRequested.get()) {
                 Log.w(TAG, "finishComposingText on inactive InputConnection");
                 return;
             }
@@ -893,7 +858,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "sendKeyEvent on inactive InputConnection");
                 return;
             }
@@ -909,7 +874,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "clearMetaKeyStates on inactive InputConnection");
                 return;
             }
@@ -926,7 +891,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "deleteSurroundingText on inactive InputConnection");
                 return;
             }
@@ -944,7 +909,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "deleteSurroundingTextInCodePoints on inactive InputConnection");
                 return;
             }
@@ -964,7 +929,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "beginBatchEdit on inactive InputConnection");
                 return;
             }
@@ -980,7 +945,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "endBatchEdit on inactive InputConnection");
                 return;
             }
@@ -996,7 +961,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "performSpellCheck on inactive InputConnection");
                 return;
             }
@@ -1013,7 +978,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "performPrivateCommand on inactive InputConnection");
                 return;
             }
@@ -1051,7 +1016,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "performHandwritingGesture on inactive InputConnection");
                 if (resultReceiver != null) {
                     resultReceiver.send(
@@ -1091,7 +1056,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "previewHandwritingGesture on inactive InputConnection");
                 return; // cancelled
             }
@@ -1139,7 +1104,7 @@
             @InputConnection.CursorUpdateMode int cursorUpdateMode,
             @InputConnection.CursorUpdateFilter int cursorUpdateFilter, int imeDisplayId) {
         final InputConnection ic = getInputConnection();
-        if (ic == null || !isActive()) {
+        if (ic == null || mDeactivateRequested.get()) {
             Log.w(TAG, "requestCursorUpdates on inactive InputConnection");
             return false;
         }
@@ -1177,7 +1142,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "requestTextBoundsInfo on inactive InputConnection");
                 resultReceiver.send(TextBoundsInfoResult.CODE_CANCELLED, null);
                 return;
@@ -1221,7 +1186,7 @@
                 return false;  // cancelled
             }
             final InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "commitContent on inactive InputConnection");
                 return false;
             }
@@ -1246,7 +1211,7 @@
                 return;  // cancelled
             }
             InputConnection ic = getInputConnection();
-            if (ic == null || !isActive()) {
+            if (ic == null || mDeactivateRequested.get()) {
                 Log.w(TAG, "setImeConsumesInput on inactive InputConnection");
                 return;
             }
@@ -1270,7 +1235,7 @@
                         return; // cancelled
                     }
                     InputConnection ic = getInputConnection();
-                    if (ic == null || !isActive()) {
+                    if (ic == null || mDeactivateRequested.get()) {
                         Log.w(TAG, "replaceText on inactive InputConnection");
                         return;
                     }
@@ -1289,7 +1254,7 @@
                     return;  // cancelled
                 }
                 InputConnection ic = getInputConnection();
-                if (ic == null || !isActive()) {
+                if (ic == null || mDeactivateRequested.get()) {
                     Log.w(TAG, "commitText on inactive InputConnection");
                     return;
                 }
@@ -1309,7 +1274,7 @@
                     return;  // cancelled
                 }
                 InputConnection ic = getInputConnection();
-                if (ic == null || !isActive()) {
+                if (ic == null || mDeactivateRequested.get()) {
                     Log.w(TAG, "setSelection on inactive InputConnection");
                     return;
                 }
@@ -1326,7 +1291,7 @@
                     return null;  // cancelled
                 }
                 final InputConnection ic = getInputConnection();
-                if (ic == null || !isActive()) {
+                if (ic == null || mDeactivateRequested.get()) {
                     Log.w(TAG, "getSurroundingText on inactive InputConnection");
                     return null;
                 }
@@ -1354,7 +1319,7 @@
                     return;  // cancelled
                 }
                 InputConnection ic = getInputConnection();
-                if (ic == null || !isActive()) {
+                if (ic == null || mDeactivateRequested.get()) {
                     Log.w(TAG, "deleteSurroundingText on inactive InputConnection");
                     return;
                 }
@@ -1370,7 +1335,7 @@
                     return;  // cancelled
                 }
                 InputConnection ic = getInputConnection();
-                if (ic == null || !isActive()) {
+                if (ic == null || mDeactivateRequested.get()) {
                     Log.w(TAG, "sendKeyEvent on inactive InputConnection");
                     return;
                 }
@@ -1386,7 +1351,7 @@
                     return;  // cancelled
                 }
                 InputConnection ic = getInputConnection();
-                if (ic == null || !isActive()) {
+                if (ic == null || mDeactivateRequested.get()) {
                     Log.w(TAG, "performEditorAction on inactive InputConnection");
                     return;
                 }
@@ -1402,7 +1367,7 @@
                     return;  // cancelled
                 }
                 InputConnection ic = getInputConnection();
-                if (ic == null || !isActive()) {
+                if (ic == null || mDeactivateRequested.get()) {
                     Log.w(TAG, "performContextMenuAction on inactive InputConnection");
                     return;
                 }
@@ -1419,7 +1384,7 @@
                     return 0;  // cancelled
                 }
                 final InputConnection ic = getInputConnection();
-                if (ic == null || !isActive()) {
+                if (ic == null || mDeactivateRequested.get()) {
                     Log.w(TAG, "getCursorCapsMode on inactive InputConnection");
                     return 0;
                 }
@@ -1435,7 +1400,7 @@
                     return;  // cancelled
                 }
                 InputConnection ic = getInputConnection();
-                if (ic == null || !isActive()) {
+                if (ic == null || mDeactivateRequested.get()) {
                     Log.w(TAG, "clearMetaKeyStates on inactive InputConnection");
                     return;
                 }
diff --git a/core/java/android/widget/RemoteCollectionItemsAdapter.java b/core/java/android/widget/RemoteCollectionItemsAdapter.java
index 9b396ae..d843308 100644
--- a/core/java/android/widget/RemoteCollectionItemsAdapter.java
+++ b/core/java/android/widget/RemoteCollectionItemsAdapter.java
@@ -18,7 +18,6 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.appwidget.AppWidgetHostView;
 import android.util.SparseIntArray;
 import android.view.View;
 import android.view.ViewGroup;
@@ -26,6 +25,8 @@
 import android.widget.RemoteViews.InteractionHandler;
 import android.widget.RemoteViews.RemoteCollectionItems;
 
+import com.android.internal.R;
+
 import java.util.stream.IntStream;
 
 /**
@@ -177,14 +178,40 @@
 
         RemoteViews item = mItems.getItemView(position);
         item.addFlags(RemoteViews.FLAG_WIDGET_IS_COLLECTION_CHILD);
+        View reapplyView = getViewToReapply(convertView, item);
 
-        AppWidgetHostView newView = convertView instanceof AppWidgetHostView.AdapterChildHostView
-                widgetChildView
-                ? widgetChildView
-                : new AppWidgetHostView.AdapterChildHostView(parent.getContext());
-        newView.setInteractionHandler(mInteractionHandler);
-        newView.setColorResourcesNoReapply(mColorResources);
-        newView.updateAppWidget(item);
-        return newView;
+        // Reapply the RemoteViews if we can.
+        if (reapplyView != null) {
+            try {
+                item.reapply(
+                        parent.getContext(),
+                        reapplyView,
+                        mInteractionHandler,
+                        null /* size */,
+                        mColorResources);
+                return reapplyView;
+            } catch (RuntimeException e) {
+                // We can't reapply for some reason, we'll fallback to an apply and inflate a
+                // new view.
+            }
+        }
+
+        return item.apply(
+                parent.getContext(),
+                parent,
+                mInteractionHandler,
+                null /* size */,
+                mColorResources);
+    }
+
+    /** Returns {@code convertView} if it can be used to reapply {@code item}, or null otherwise. */
+    @Nullable
+    private static View getViewToReapply(@Nullable View convertView, @NonNull RemoteViews item) {
+        if (convertView == null) return null;
+
+        Object layoutIdTag = convertView.getTag(R.id.widget_frame);
+        if (!(layoutIdTag instanceof Integer)) return null;
+
+        return item.getLayoutId() == (Integer) layoutIdTag ? convertView : null;
     }
 }
diff --git a/core/java/android/widget/RemoteViews.java b/core/java/android/widget/RemoteViews.java
index eb3f96e..a740b65 100644
--- a/core/java/android/widget/RemoteViews.java
+++ b/core/java/android/widget/RemoteViews.java
@@ -6913,13 +6913,13 @@
             View parent = (View) view.getParent();
             // Break the for loop on the first encounter of:
             //    1) an AdapterView,
-            //    2) an AppWidgetHostView that is not a child of an adapter view, or
+            //    2) an AppWidgetHostView that is not a RemoteViewsFrameLayout, or
             //    3) a null parent.
             // 2) and 3) are unexpected and catch the case where a child is not
             // correctly parented in an AdapterView.
             while (parent != null && !(parent instanceof AdapterView<?>)
                     && !((parent instanceof AppWidgetHostView)
-                            && !(parent instanceof AppWidgetHostView.AdapterChildHostView))) {
+                    && !(parent instanceof RemoteViewsAdapter.RemoteViewsFrameLayout))) {
                 parent = (View) parent.getParent();
             }
 
diff --git a/core/java/android/widget/RemoteViewsAdapter.java b/core/java/android/widget/RemoteViewsAdapter.java
index 2f28a87..61a7599 100644
--- a/core/java/android/widget/RemoteViewsAdapter.java
+++ b/core/java/android/widget/RemoteViewsAdapter.java
@@ -368,7 +368,7 @@
      * A FrameLayout which contains a loading view, and manages the re/applying of RemoteViews when
      * they are loaded.
      */
-    static class RemoteViewsFrameLayout extends AppWidgetHostView.AdapterChildHostView {
+    static class RemoteViewsFrameLayout extends AppWidgetHostView {
         private final FixedSizeRemoteViewsCache mCache;
 
         public int cacheIndex = -1;
@@ -408,6 +408,11 @@
         }
 
         @Override
+        protected Context getRemoteContextEnsuringCorrectCachedApkPath() {
+            return null;
+        }
+
+        @Override
         protected View getErrorView() {
             // Use the default loading view as the error view.
             return getDefaultView();
diff --git a/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp b/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp
index cf31173..56f1e64 100644
--- a/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp
+++ b/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp
@@ -115,7 +115,7 @@
         const LightGeometry& lightGeometry, LayerUpdateQueue* layerUpdateQueue,
         const Rect& contentDrawBounds, bool opaque, const LightInfo& lightInfo,
         const std::vector<sp<RenderNode>>& renderNodes, FrameInfoVisualizer* profiler,
-        const HardwareBufferRenderParams& bufferParams) {
+        const HardwareBufferRenderParams& bufferParams, std::mutex& profilerLock) {
     if (!isCapturingSkp() && !mHardwareBuffer) {
         mEglManager.damageFrame(frame, dirty);
     }
@@ -167,6 +167,7 @@
     // Draw visual debugging features
     if (CC_UNLIKELY(Properties::showDirtyRegions ||
                     ProfileType::None != Properties::getProfileType())) {
+        std::scoped_lock lock(profilerLock);
         SkCanvas* profileCanvas = surface->getCanvas();
         SkiaProfileRenderer profileRenderer(profileCanvas, frame.width(), frame.height());
         profiler->draw(profileRenderer);
diff --git a/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.h b/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.h
index f0461be..0325593 100644
--- a/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.h
+++ b/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.h
@@ -42,7 +42,8 @@
             const LightGeometry& lightGeometry, LayerUpdateQueue* layerUpdateQueue,
             const Rect& contentDrawBounds, bool opaque, const LightInfo& lightInfo,
             const std::vector<sp<RenderNode> >& renderNodes, FrameInfoVisualizer* profiler,
-            const renderthread::HardwareBufferRenderParams& bufferParams) override;
+            const renderthread::HardwareBufferRenderParams& bufferParams,
+            std::mutex& profilerLock) override;
     GrSurfaceOrigin getSurfaceOrigin() override { return kBottomLeft_GrSurfaceOrigin; }
     bool swapBuffers(const renderthread::Frame& frame, bool drew, const SkRect& screenDirty,
                      FrameInfo* currentFrameInfo, bool* requireSwap) override;
diff --git a/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp b/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp
index 86096d5..7d19232 100644
--- a/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp
+++ b/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp
@@ -75,7 +75,7 @@
         const LightGeometry& lightGeometry, LayerUpdateQueue* layerUpdateQueue,
         const Rect& contentDrawBounds, bool opaque, const LightInfo& lightInfo,
         const std::vector<sp<RenderNode>>& renderNodes, FrameInfoVisualizer* profiler,
-        const HardwareBufferRenderParams& bufferParams) {
+        const HardwareBufferRenderParams& bufferParams, std::mutex& profilerLock) {
     sk_sp<SkSurface> backBuffer;
     SkMatrix preTransform;
     if (mHardwareBuffer) {
@@ -103,6 +103,7 @@
     // Draw visual debugging features
     if (CC_UNLIKELY(Properties::showDirtyRegions ||
                     ProfileType::None != Properties::getProfileType())) {
+        std::scoped_lock lock(profilerLock);
         SkCanvas* profileCanvas = backBuffer->getCanvas();
         SkAutoCanvasRestore saver(profileCanvas, true);
         profileCanvas->concat(mVkSurface->getCurrentPreTransform());
diff --git a/libs/hwui/pipeline/skia/SkiaVulkanPipeline.h b/libs/hwui/pipeline/skia/SkiaVulkanPipeline.h
index 284cde5..37b86f1 100644
--- a/libs/hwui/pipeline/skia/SkiaVulkanPipeline.h
+++ b/libs/hwui/pipeline/skia/SkiaVulkanPipeline.h
@@ -42,7 +42,8 @@
             const LightGeometry& lightGeometry, LayerUpdateQueue* layerUpdateQueue,
             const Rect& contentDrawBounds, bool opaque, const LightInfo& lightInfo,
             const std::vector<sp<RenderNode> >& renderNodes, FrameInfoVisualizer* profiler,
-            const renderthread::HardwareBufferRenderParams& bufferParams) override;
+            const renderthread::HardwareBufferRenderParams& bufferParams,
+            std::mutex& profilerLock) override;
     GrSurfaceOrigin getSurfaceOrigin() override { return kTopLeft_GrSurfaceOrigin; }
     bool swapBuffers(const renderthread::Frame& frame, bool drew, const SkRect& screenDirty,
                      FrameInfo* currentFrameInfo, bool* requireSwap) override;
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 618c896..f690783 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -592,14 +592,10 @@
     {
         // FrameInfoVisualizer accesses the frame events, which cannot be mutated mid-draw
         // or it can lead to memory corruption.
-        // This lock is overly broad, but it's the quickest fix since this mutex is otherwise
-        // not visible to IRenderPipeline much less FrameInfoVisualizer. And since this is
-        // the thread we're primarily concerned about being responsive, this being too broad
-        // shouldn't pose a performance issue.
-        std::scoped_lock lock(mFrameMetricsReporterMutex);
         drawResult = mRenderPipeline->draw(frame, windowDirty, dirty, mLightGeometry,
                                            &mLayerUpdateQueue, mContentDrawBounds, mOpaque,
-                                           mLightInfo, mRenderNodes, &(profiler()), mBufferParams);
+                                           mLightInfo, mRenderNodes, &(profiler()), mBufferParams,
+                                           profilerLock());
     }
 
     uint64_t frameCompleteNr = getFrameNumber();
@@ -729,7 +725,7 @@
             mCurrentFrameInfo->markFrameCompleted();
             mCurrentFrameInfo->set(FrameInfoIndex::GpuCompleted)
                     = mCurrentFrameInfo->get(FrameInfoIndex::FrameCompleted);
-            std::scoped_lock lock(mFrameMetricsReporterMutex);
+            std::scoped_lock lock(mFrameInfoMutex);
             mJankTracker.finishFrame(*mCurrentFrameInfo, mFrameMetricsReporter, frameCompleteNr,
                                      mSurfaceControlGenerationId);
         }
@@ -758,7 +754,7 @@
 
 void CanvasContext::reportMetricsWithPresentTime() {
     {  // acquire lock
-        std::scoped_lock lock(mFrameMetricsReporterMutex);
+        std::scoped_lock lock(mFrameInfoMutex);
         if (mFrameMetricsReporter == nullptr) {
             return;
         }
@@ -793,7 +789,7 @@
 
     forthBehind->set(FrameInfoIndex::DisplayPresentTime) = presentTime;
     {  // acquire lock
-        std::scoped_lock lock(mFrameMetricsReporterMutex);
+        std::scoped_lock lock(mFrameInfoMutex);
         if (mFrameMetricsReporter != nullptr) {
             mFrameMetricsReporter->reportFrameMetrics(forthBehind->data(), true /*hasPresentTime*/,
                                                       frameNumber, surfaceControlId);
@@ -802,7 +798,7 @@
 }
 
 void CanvasContext::addFrameMetricsObserver(FrameMetricsObserver* observer) {
-    std::scoped_lock lock(mFrameMetricsReporterMutex);
+    std::scoped_lock lock(mFrameInfoMutex);
     if (mFrameMetricsReporter.get() == nullptr) {
         mFrameMetricsReporter.reset(new FrameMetricsReporter());
     }
@@ -816,7 +812,7 @@
 }
 
 void CanvasContext::removeFrameMetricsObserver(FrameMetricsObserver* observer) {
-    std::scoped_lock lock(mFrameMetricsReporterMutex);
+    std::scoped_lock lock(mFrameInfoMutex);
     if (mFrameMetricsReporter.get() != nullptr) {
         mFrameMetricsReporter->removeObserver(observer);
         if (!mFrameMetricsReporter->hasObservers()) {
@@ -853,7 +849,7 @@
     FrameInfo* frameInfo = instance->getFrameInfoFromLast4(frameNumber, surfaceControlId);
 
     if (frameInfo != nullptr) {
-        std::scoped_lock lock(instance->mFrameMetricsReporterMutex);
+        std::scoped_lock lock(instance->mFrameInfoMutex);
         frameInfo->set(FrameInfoIndex::FrameCompleted) = std::max(gpuCompleteTime,
                 frameInfo->get(FrameInfoIndex::SwapBuffersCompleted));
         frameInfo->set(FrameInfoIndex::GpuCompleted) = std::max(
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 32ac5af..3978fbc 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -161,6 +161,7 @@
     void notifyFramePending();
 
     FrameInfoVisualizer& profiler() { return mProfiler; }
+    std::mutex& profilerLock() { return mFrameInfoMutex; }
 
     void dumpFrames(int fd);
     void resetFrameStats();
@@ -340,8 +341,8 @@
     JankTracker mJankTracker;
     FrameInfoVisualizer mProfiler;
     std::unique_ptr<FrameMetricsReporter> mFrameMetricsReporter
-            GUARDED_BY(mFrameMetricsReporterMutex);
-    std::mutex mFrameMetricsReporterMutex;
+            GUARDED_BY(mFrameInfoMutex);
+    std::mutex mFrameInfoMutex;
 
     std::set<RenderNode*> mPrefetchedLayers;
 
diff --git a/libs/hwui/renderthread/IRenderPipeline.h b/libs/hwui/renderthread/IRenderPipeline.h
index 6c2cb9d..023c29a 100644
--- a/libs/hwui/renderthread/IRenderPipeline.h
+++ b/libs/hwui/renderthread/IRenderPipeline.h
@@ -67,7 +67,8 @@
                             const Rect& contentDrawBounds, bool opaque, const LightInfo& lightInfo,
                             const std::vector<sp<RenderNode>>& renderNodes,
                             FrameInfoVisualizer* profiler,
-                            const HardwareBufferRenderParams& bufferParams) = 0;
+                            const HardwareBufferRenderParams& bufferParams,
+                            std::mutex& profilerLock) = 0;
     virtual bool swapBuffers(const Frame& frame, bool drew, const SkRect& screenDirty,
                              FrameInfo* currentFrameInfo, bool* requireSwap) = 0;
     virtual DeferredLayerUpdater* createTextureLayer() = 0;
diff --git a/services/core/java/com/android/server/BootReceiver.java b/services/core/java/com/android/server/BootReceiver.java
index 5cdfca7..926d7a4 100644
--- a/services/core/java/com/android/server/BootReceiver.java
+++ b/services/core/java/com/android/server/BootReceiver.java
@@ -48,8 +48,6 @@
 import com.android.modules.utils.TypedXmlPullParser;
 import com.android.modules.utils.TypedXmlSerializer;
 import com.android.server.am.DropboxRateLimiter;
-import com.android.server.os.TombstoneProtos;
-import com.android.server.os.TombstoneProtos.Tombstone;
 
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
@@ -62,14 +60,11 @@
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.attribute.PosixFilePermissions;
-import java.util.AbstractMap;
 import java.util.HashMap;
 import java.util.Iterator;
-import java.util.Map;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
-import java.util.stream.Collectors;
 
 /**
  * Performs a number of miscellaneous, non-system-critical actions
@@ -332,12 +327,12 @@
      *
      * @param ctx Context
      * @param tombstone path to the tombstone
-     * @param tombstoneProto the parsed proto tombstone
+     * @param proto whether the tombstone is stored as proto
      * @param processName the name of the process corresponding to the tombstone
      * @param tmpFileLock the lock for reading/writing tmp files
      */
     public static void addTombstoneToDropBox(
-                Context ctx, File tombstone, Tombstone tombstoneProto, String processName,
+                Context ctx, File tombstone, boolean proto, String processName,
                 ReentrantLock tmpFileLock) {
         final DropBoxManager db = ctx.getSystemService(DropBoxManager.class);
         if (db == null) {
@@ -347,33 +342,31 @@
 
         // Check if we should rate limit and abort early if needed.
         DropboxRateLimiter.RateLimitResult rateLimitResult =
-                sDropboxRateLimiter.shouldRateLimit(TAG_TOMBSTONE_PROTO_WITH_HEADERS, processName);
+                sDropboxRateLimiter.shouldRateLimit(
+                        proto ? TAG_TOMBSTONE_PROTO_WITH_HEADERS : TAG_TOMBSTONE, processName);
         if (rateLimitResult.shouldRateLimit()) return;
 
         HashMap<String, Long> timestamps = readTimestamps();
         try {
-            // Remove the memory data from the proto.
-            Tombstone tombstoneProtoWithoutMemory = removeMemoryFromTombstone(tombstoneProto);
-
-            final byte[] tombstoneBytes = tombstoneProtoWithoutMemory.toByteArray();
-
-            // Use JNI to call the c++ proto to text converter and add the headers to the tombstone.
-            String tombstoneWithoutMemory = new StringBuilder(getBootHeadersToLogAndUpdate())
-                    .append(rateLimitResult.createHeader())
-                    .append(getTombstoneText(tombstoneBytes))
-                    .toString();
-
-            // Add the tombstone without memory data to dropbox.
-            db.addText(TAG_TOMBSTONE, tombstoneWithoutMemory);
-
-            // Add the tombstone proto to dropbox.
-            if (recordFileTimestamp(tombstone, timestamps)) {
-                tmpFileLock.lock();
-                try {
-                    addAugmentedProtoToDropbox(tombstone, tombstoneBytes, db, rateLimitResult);
-                } finally {
-                    tmpFileLock.unlock();
+            if (proto) {
+                if (recordFileTimestamp(tombstone, timestamps)) {
+                    // We need to attach the count indicating the number of dropped dropbox entries
+                    // due to rate limiting. Do this by enclosing the proto tombsstone in a
+                    // container proto that has the dropped entry count and the proto tombstone as
+                    // bytes (to avoid the complexity of reading and writing nested protos).
+                    tmpFileLock.lock();
+                    try {
+                        addAugmentedProtoToDropbox(tombstone, db, rateLimitResult);
+                    } finally {
+                        tmpFileLock.unlock();
+                    }
                 }
+            } else {
+                // Add the header indicating how many events have been dropped due to rate limiting.
+                final String headers = getBootHeadersToLogAndUpdate()
+                        + rateLimitResult.createHeader();
+                addFileToDropBox(db, timestamps, headers, tombstone.getPath(), LOG_SIZE,
+                                 TAG_TOMBSTONE);
             }
         } catch (IOException e) {
             Slog.e(TAG, "Can't log tombstone", e);
@@ -382,8 +375,11 @@
     }
 
     private static void addAugmentedProtoToDropbox(
-                File tombstone, byte[] tombstoneBytes, DropBoxManager db,
+                File tombstone, DropBoxManager db,
                 DropboxRateLimiter.RateLimitResult rateLimitResult) throws IOException {
+        // Read the proto tombstone file as bytes.
+        final byte[] tombstoneBytes = Files.readAllBytes(tombstone.toPath());
+
         final File tombstoneProtoWithHeaders = File.createTempFile(
                 tombstone.getName(), ".tmp", TOMBSTONE_TMP_DIR);
         Files.setPosixFilePermissions(
@@ -416,8 +412,6 @@
         }
     }
 
-    private static native String getTombstoneText(byte[] tombstoneBytes);
-
     private static void addLastkToDropBox(
             DropBoxManager db, HashMap<String, Long> timestamps,
             String headers, String footers, String filename, int maxSize,
@@ -435,31 +429,6 @@
         addFileWithFootersToDropBox(db, timestamps, headers, footers, filename, maxSize, tag);
     }
 
-    /** Removes memory information from the Tombstone proto. */
-    @VisibleForTesting
-    public static Tombstone removeMemoryFromTombstone(Tombstone tombstoneProto) {
-        Tombstone.Builder tombstoneBuilder = tombstoneProto.toBuilder()
-                .clearMemoryMappings()
-                .clearThreads()
-                .putAllThreads(tombstoneProto.getThreadsMap().entrySet()
-                        .stream()
-                        .map(BootReceiver::clearMemoryDump)
-                        .collect(Collectors.toMap(e->e.getKey(), e->e.getValue())));
-
-        if (tombstoneProto.hasSignalInfo()) {
-            tombstoneBuilder.setSignalInfo(
-                    tombstoneProto.getSignalInfo().toBuilder().clearFaultAdjacentMetadata());
-        }
-
-        return tombstoneBuilder.build();
-    }
-
-    private static AbstractMap.SimpleEntry<Integer, TombstoneProtos.Thread> clearMemoryDump(
-            Map.Entry<Integer, TombstoneProtos.Thread> e) {
-        return new AbstractMap.SimpleEntry<Integer, TombstoneProtos.Thread>(
-            e.getKey(), e.getValue().toBuilder().clearMemoryDump().build());
-    }
-
     private static void addFileToDropBox(
             DropBoxManager db, HashMap<String, Long> timestamps,
             String headers, String filename, int maxSize, String tag) throws IOException {
diff --git a/services/core/java/com/android/server/os/NativeTombstoneManager.java b/services/core/java/com/android/server/os/NativeTombstoneManager.java
index b7e7374..ab0d0d2 100644
--- a/services/core/java/com/android/server/os/NativeTombstoneManager.java
+++ b/services/core/java/com/android/server/os/NativeTombstoneManager.java
@@ -41,13 +41,14 @@
 import android.system.StructStat;
 import android.util.Slog;
 import android.util.SparseArray;
+import android.util.proto.ProtoInputStream;
+import android.util.proto.ProtoParseException;
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.server.BootReceiver;
 import com.android.server.ServiceThread;
 import com.android.server.os.TombstoneProtos.Cause;
 import com.android.server.os.TombstoneProtos.Tombstone;
-import com.android.server.os.protobuf.CodedInputStream;
 
 import libcore.io.IoUtils;
 
@@ -127,21 +128,18 @@
             return;
         }
 
+        String processName = "UNKNOWN";
         final boolean isProtoFile = filename.endsWith(".pb");
-        if (!isProtoFile) {
-            return;
-        }
+        File protoPath = isProtoFile ? path : new File(path.getAbsolutePath() + ".pb");
 
-        Optional<ParsedTombstone> parsedTombstone = handleProtoTombstone(path, true);
+        Optional<TombstoneFile> parsedTombstone = handleProtoTombstone(protoPath, isProtoFile);
         if (parsedTombstone.isPresent()) {
-            BootReceiver.addTombstoneToDropBox(
-                    mContext, path, parsedTombstone.get().getTombstone(),
-                    parsedTombstone.get().getProcessName(), mTmpFileLock);
+            processName = parsedTombstone.get().getProcessName();
         }
+        BootReceiver.addTombstoneToDropBox(mContext, path, isProtoFile, processName, mTmpFileLock);
     }
 
-    private Optional<ParsedTombstone> handleProtoTombstone(
-            File path, boolean addToList) {
+    private Optional<TombstoneFile> handleProtoTombstone(File path, boolean addToList) {
         final String filename = path.getName();
         if (!filename.endsWith(".pb")) {
             Slog.w(TAG, "unexpected tombstone name: " + path);
@@ -171,7 +169,7 @@
             return Optional.empty();
         }
 
-        final Optional<ParsedTombstone> parsedTombstone = TombstoneFile.parse(pfd);
+        final Optional<TombstoneFile> parsedTombstone = TombstoneFile.parse(pfd);
         if (!parsedTombstone.isPresent()) {
             IoUtils.closeQuietly(pfd);
             return Optional.empty();
@@ -184,7 +182,7 @@
                     previous.dispose();
                 }
 
-                mTombstones.put(number, parsedTombstone.get().getTombstoneFile());
+                mTombstones.put(number, parsedTombstone.get());
             }
         }
 
@@ -332,27 +330,6 @@
         }
     }
 
-    static class ParsedTombstone {
-        TombstoneFile mTombstoneFile;
-        Tombstone mTombstone;
-        ParsedTombstone(TombstoneFile tombstoneFile, Tombstone tombstone) {
-            mTombstoneFile = tombstoneFile;
-            mTombstone = tombstone;
-        }
-
-        public String getProcessName() {
-            return mTombstoneFile.getProcessName();
-        }
-
-        public TombstoneFile getTombstoneFile() {
-            return mTombstoneFile;
-        }
-
-        public Tombstone getTombstone() {
-            return mTombstone;
-        }
-    }
-
     static class TombstoneFile {
         final ParcelFileDescriptor mPfd;
 
@@ -435,21 +412,67 @@
             }
         }
 
-        static Optional<ParsedTombstone> parse(ParcelFileDescriptor pfd) {
-            Tombstone tombstoneProto;
-            try (FileInputStream is = new FileInputStream(pfd.getFileDescriptor())) {
-                final byte[] tombstoneBytes = is.readAllBytes();
+        static Optional<TombstoneFile> parse(ParcelFileDescriptor pfd) {
+            final FileInputStream is = new FileInputStream(pfd.getFileDescriptor());
+            final ProtoInputStream stream = new ProtoInputStream(is);
 
-                tombstoneProto = Tombstone.parseFrom(
-                        CodedInputStream.newInstance(tombstoneBytes));
-            } catch (IOException ex) {
+            int pid = 0;
+            int uid = 0;
+            String processName = null;
+            String crashReason = "";
+            String selinuxLabel = "";
+
+            try {
+                while (stream.nextField() != ProtoInputStream.NO_MORE_FIELDS) {
+                    switch (stream.getFieldNumber()) {
+                        case (int) Tombstone.PID:
+                            pid = stream.readInt(Tombstone.PID);
+                            break;
+
+                        case (int) Tombstone.UID:
+                            uid = stream.readInt(Tombstone.UID);
+                            break;
+
+                        case (int) Tombstone.COMMAND_LINE:
+                            if (processName == null) {
+                                processName = stream.readString(Tombstone.COMMAND_LINE);
+                            }
+                            break;
+
+                        case (int) Tombstone.CAUSES:
+                            if (!crashReason.equals("")) {
+                                // Causes appear in decreasing order of likelihood. For now we only
+                                // want the most likely crash reason here, so ignore all others.
+                                break;
+                            }
+                            long token = stream.start(Tombstone.CAUSES);
+                        cause:
+                            while (stream.nextField() != ProtoInputStream.NO_MORE_FIELDS) {
+                                switch (stream.getFieldNumber()) {
+                                    case (int) Cause.HUMAN_READABLE:
+                                        crashReason = stream.readString(Cause.HUMAN_READABLE);
+                                        break cause;
+
+                                    default:
+                                        break;
+                                }
+                            }
+                            stream.end(token);
+                            break;
+
+                        case (int) Tombstone.SELINUX_LABEL:
+                            selinuxLabel = stream.readString(Tombstone.SELINUX_LABEL);
+                            break;
+
+                        default:
+                            break;
+                    }
+                }
+            } catch (IOException | ProtoParseException ex) {
                 Slog.e(TAG, "Failed to parse tombstone", ex);
                 return Optional.empty();
             }
 
-            int pid = tombstoneProto.getPid();
-            int uid = tombstoneProto.getUid();
-
             if (!UserHandle.isApp(uid)) {
                 Slog.e(TAG, "Tombstone's UID (" + uid + ") not an app, ignoring");
                 return Optional.empty();
@@ -466,7 +489,6 @@
             final int userId = UserHandle.getUserId(uid);
             final int appId = UserHandle.getAppId(uid);
 
-            String selinuxLabel = tombstoneProto.getSelinuxLabel();
             if (!selinuxLabel.startsWith("u:r:untrusted_app")) {
                 Slog.e(TAG, "Tombstone has invalid selinux label (" + selinuxLabel + "), ignoring");
                 return Optional.empty();
@@ -478,30 +500,11 @@
             result.mAppId = appId;
             result.mPid = pid;
             result.mUid = uid;
-            result.mProcessName = getCmdLineProcessName(tombstoneProto);
+            result.mProcessName = processName == null ? "" : processName;
             result.mTimestampMs = timestampMs;
-            result.mCrashReason = getCrashReason(tombstoneProto);
+            result.mCrashReason = crashReason;
 
-            return Optional.of(new ParsedTombstone(result, tombstoneProto));
-        }
-
-        private static String getCmdLineProcessName(Tombstone tombstoneProto) {
-            for (String cmdline : tombstoneProto.getCommandLineList()) {
-                if (cmdline != null) {
-                    return cmdline;
-                }
-            }
-            return "";
-        }
-
-        private static String getCrashReason(Tombstone tombstoneProto) {
-            for (Cause cause : tombstoneProto.getCausesList()) {
-                if (cause.getHumanReadable() != null
-                        && !cause.getHumanReadable().equals("")) {
-                    return cause.getHumanReadable();
-                }
-            }
-            return "";
+            return Optional.of(result);
         }
 
         public IParcelFileDescriptorRetriever getPfdRetriever() {
diff --git a/services/core/jni/Android.bp b/services/core/jni/Android.bp
index 591a559..8cd55c7 100644
--- a/services/core/jni/Android.bp
+++ b/services/core/jni/Android.bp
@@ -37,7 +37,6 @@
         "com_android_server_adb_AdbDebuggingManager.cpp",
         "com_android_server_am_BatteryStatsService.cpp",
         "com_android_server_biometrics_SurfaceToNativeHandleConverter.cpp",
-        "com_android_server_BootReceiver.cpp",
         "com_android_server_ConsumerIrService.cpp",
         "com_android_server_companion_virtual_InputController.cpp",
         "com_android_server_devicepolicy_CryptoTestHelper.cpp",
@@ -92,16 +91,6 @@
     header_libs: [
         "bionic_libc_platform_headers",
     ],
-
-    static_libs: [
-        "libunwindstack",
-    ],
-
-    whole_static_libs: [
-        "libdebuggerd_tombstone_proto_to_text",
-    ],
-
-    runtime_libs: ["libdexfile"],
 }
 
 cc_defaults {
diff --git a/services/core/jni/OWNERS b/services/core/jni/OWNERS
index 33d3686..d4f6312 100644
--- a/services/core/jni/OWNERS
+++ b/services/core/jni/OWNERS
@@ -32,7 +32,3 @@
 
 # Bug component : 158088 = per-file *AnrTimer*
 per-file *AnrTimer* = file:/PERFORMANCE_OWNERS
-
-# Bug component : 158088 = per-file com_android_server_utils_AnrTimer*.java
-per-file com_android_server_utils_AnrTimer*.java = file:/PERFORMANCE_OWNERS
-per-file com_android_server_BootReceiver.cpp = file:/STABILITY_OWNERS
diff --git a/services/core/jni/com_android_server_BootReceiver.cpp b/services/core/jni/com_android_server_BootReceiver.cpp
deleted file mode 100644
index 3892d28..0000000
--- a/services/core/jni/com_android_server_BootReceiver.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * 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.
- */
-
-#include <libdebuggerd/tombstone.h>
-#include <nativehelper/JNIHelp.h>
-
-#include <sstream>
-
-#include "jni.h"
-#include "tombstone.pb.h"
-
-namespace android {
-
-static void writeToString(std::stringstream& ss, const std::string& line, bool should_log) {
-    ss << line << std::endl;
-}
-
-static jstring com_android_server_BootReceiver_getTombstoneText(JNIEnv* env, jobject,
-                                                                jbyteArray tombstoneBytes) {
-    Tombstone tombstone;
-    tombstone.ParseFromArray(env->GetByteArrayElements(tombstoneBytes, 0),
-                             env->GetArrayLength(tombstoneBytes));
-
-    std::stringstream tombstoneString;
-
-    tombstone_proto_to_text(tombstone,
-                            std::bind(&writeToString, std::ref(tombstoneString),
-                                      std::placeholders::_1, std::placeholders::_2));
-
-    return env->NewStringUTF(tombstoneString.str().c_str());
-}
-
-static const JNINativeMethod sMethods[] = {
-        /* name, signature, funcPtr */
-        {"getTombstoneText", "([B)Ljava/lang/String;",
-         (jstring*)com_android_server_BootReceiver_getTombstoneText},
-};
-
-int register_com_android_server_BootReceiver(JNIEnv* env) {
-    return jniRegisterNativeMethods(env, "com/android/server/BootReceiver", sMethods,
-                                    NELEM(sMethods));
-}
-
-} // namespace android
diff --git a/services/core/jni/onload.cpp b/services/core/jni/onload.cpp
index e7de081..a87902f 100644
--- a/services/core/jni/onload.cpp
+++ b/services/core/jni/onload.cpp
@@ -63,7 +63,6 @@
 int register_android_server_sensor_SensorService(JavaVM* vm, JNIEnv* env);
 int register_android_server_companion_virtual_InputController(JNIEnv* env);
 int register_android_server_app_GameManagerService(JNIEnv* env);
-int register_com_android_server_BootReceiver(JNIEnv* env);
 int register_com_android_server_wm_TaskFpsCallbackController(JNIEnv* env);
 int register_com_android_server_display_DisplayControl(JNIEnv* env);
 int register_com_android_server_SystemClockTime(JNIEnv* env);
@@ -123,7 +122,6 @@
     register_android_server_sensor_SensorService(vm, env);
     register_android_server_companion_virtual_InputController(env);
     register_android_server_app_GameManagerService(env);
-    register_com_android_server_BootReceiver(env);
     register_com_android_server_wm_TaskFpsCallbackController(env);
     register_com_android_server_display_DisplayControl(env);
     register_com_android_server_SystemClockTime(env);
diff --git a/services/tests/servicestests/src/com/android/server/BootReceiverTest.java b/services/tests/servicestests/src/com/android/server/BootReceiverTest.java
deleted file mode 100644
index 523c5c0..0000000
--- a/services/tests/servicestests/src/com/android/server/BootReceiverTest.java
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * 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;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import android.test.AndroidTestCase;
-
-import com.android.server.os.TombstoneProtos;
-import com.android.server.os.TombstoneProtos.Tombstone;
-
-public class BootReceiverTest extends AndroidTestCase {
-    private static final String TAG = "BootReceiverTest";
-
-    public void testRemoveMemoryFromTombstone() {
-        Tombstone tombstoneBase = Tombstone.newBuilder()
-                .setBuildFingerprint("build_fingerprint")
-                .setRevision("revision")
-                .setPid(123)
-                .setTid(23)
-                .setUid(34)
-                .setSelinuxLabel("selinux_label")
-                .addCommandLine("cmd1")
-                .addCommandLine("cmd2")
-                .addCommandLine("cmd3")
-                .setProcessUptime(300)
-                .setAbortMessage("abort")
-                .addCauses(TombstoneProtos.Cause.newBuilder()
-                        .setHumanReadable("cause1")
-                        .setMemoryError(TombstoneProtos.MemoryError.newBuilder()
-                                .setTool(TombstoneProtos.MemoryError.Tool.SCUDO)
-                                .setType(TombstoneProtos.MemoryError.Type.DOUBLE_FREE)))
-                .addLogBuffers(TombstoneProtos.LogBuffer.newBuilder().setName("name").addLogs(
-                        TombstoneProtos.LogMessage.newBuilder()
-                                .setTimestamp("123")
-                                .setMessage("message")))
-                .addOpenFds(TombstoneProtos.FD.newBuilder().setFd(1).setPath("path"))
-                .build();
-
-        Tombstone tombstoneWithoutMemory = tombstoneBase.toBuilder()
-                .putThreads(1, TombstoneProtos.Thread.newBuilder()
-                        .setId(1)
-                        .setName("thread1")
-                        .addRegisters(TombstoneProtos.Register.newBuilder().setName("r1").setU64(1))
-                        .addRegisters(TombstoneProtos.Register.newBuilder().setName("r2").setU64(2))
-                        .addBacktraceNote("backtracenote1")
-                        .addUnreadableElfFiles("files1")
-                        .setTaggedAddrCtrl(1)
-                        .setPacEnabledKeys(10)
-                        .build())
-                .build();
-
-        Tombstone tombstoneWithMemory = tombstoneBase.toBuilder()
-                .addMemoryMappings(TombstoneProtos.MemoryMapping.newBuilder()
-                        .setBeginAddress(1)
-                        .setEndAddress(100)
-                        .setOffset(10)
-                        .setRead(true)
-                        .setWrite(true)
-                        .setExecute(false)
-                        .setMappingName("mapping")
-                        .setBuildId("build")
-                        .setLoadBias(70))
-                .putThreads(1, TombstoneProtos.Thread.newBuilder()
-                        .setId(1)
-                        .setName("thread1")
-                        .addRegisters(TombstoneProtos.Register.newBuilder().setName("r1").setU64(1))
-                        .addRegisters(TombstoneProtos.Register.newBuilder().setName("r2").setU64(2))
-                        .addBacktraceNote("backtracenote1")
-                        .addUnreadableElfFiles("files1")
-                        .addMemoryDump(TombstoneProtos.MemoryDump.newBuilder()
-                                .setRegisterName("register1")
-                                .setMappingName("mapping")
-                                .setBeginAddress(10))
-                        .setTaggedAddrCtrl(1)
-                        .setPacEnabledKeys(10)
-                        .build())
-                .build();
-
-        assertThat(BootReceiver.removeMemoryFromTombstone(tombstoneWithMemory))
-                .isEqualTo(tombstoneWithoutMemory);
-    }
-}
diff --git a/test-base/Android.bp b/test-base/Android.bp
index 527159a..70a9540 100644
--- a/test-base/Android.bp
+++ b/test-base/Android.bp
@@ -120,12 +120,13 @@
     path: "src",
 }
 
-// Make the current.txt available for use by the cts/tests/signature tests.
+// Make the current.txt available for use by the cts/tests/signature and /vendor tests.
 // ========================================================================
 filegroup {
     name: "android-test-base-current.txt",
     visibility: [
         "//cts/tests/signature/api",
+        "//vendor:__subpackages__",
     ],
     srcs: [
         "api/current.txt",
diff --git a/test-runner/Android.bp b/test-runner/Android.bp
index 13a5dac..21e09d3 100644
--- a/test-runner/Android.bp
+++ b/test-runner/Android.bp
@@ -79,12 +79,13 @@
     ],
 }
 
-// Make the current.txt available for use by the cts/tests/signature tests.
+// Make the current.txt available for use by the cts/tests/signature and /vendor tests.
 // ========================================================================
 filegroup {
     name: "android-test-runner-current.txt",
     visibility: [
         "//cts/tests/signature/api",
+        "//vendor:__subpackages__",
     ],
     srcs: [
         "api/current.txt",