Merge "Prevent race condition by foregroundAppPackageName" into tm-qpr-dev am: 4a20c736

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19638255



Change-Id: Ide439efc8891d8ac8d7d548a2b8614445b8189a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>