Merge "Fix Talkback focus to the background" into tm-dev am: d09e8af2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18467059



Change-Id: I6da16a1e05b25c57f385f569d22cf79a49e48a6a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>