Merge "[Talkback] Focus on "Widget" header when widget bottom sheet is opened" into udc-dev am: aab6875746

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23126920

Change-Id: I7019596fe7ef7e1ceeb2d9d55af89d90980681df
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>