Merge "Fix double tap Translucent Letterboxed Activities" into tm-qpr-dev am: ba7143112d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19728669

Change-Id: If55e960267e26da56688ccfa7c510b31b3e8cddf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>