Merge "Clear ZBoost when removing animation leash" into tm-dev am: 2e495889be

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17649596

Change-Id: I6660e9eded197d665ebf29355cc1d7329d4a29c0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

services/core/java/com/android/server/wm/WindowContainer.java

@@ -3181,6 +3181,7 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
         mLastLayer = -1;
         mWmService.mSurfaceAnimationRunner.onAnimationLeashLost(mAnimationLeash, t);
         mAnimationLeash = null;
+        mNeedsZBoost = false;
         reassignLayer(t);
         updateSurfacePosition(t);
     }

services/tests/wmtests/src/com/android/server/wm/AppWindowTokenAnimationTests.java

@@ -88,6 +88,11 @@ public class AppWindowTokenAnimationTests extends WindowTestsBase {
 
         verify(mTransaction).setLayer(eq(mActivity.mAnimationBoundsLayer),
                 intThat(layer -> layer > topActivity.getLastLayer()));
+
+        // The layer should be restored after the animation leash is removed.
+        mActivity.onAnimationLeashLost(mTransaction);
+        assertThat(mActivity.mNeedsZBoost).isFalse();
+        assertThat(topActivity.getLastLayer()).isGreaterThan(mActivity.getLastLayer());
     }
 
     @Test