Merge "Fix notification permission for letterboxed activity" into tm-qpr-dev am: bab869ca

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20943164



Change-Id: I1d5b7b5aa824f2e3c53ad9ce47908d5c90e37c26
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>