Merge "[Talkback] Focus on "Widget" header when widget bottom sheet is opened" into udc-dev am: aab6875746 am: b4e245466b

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

Change-Id: Idecabd3443d98c3289f6abb895cdf32354a5f378
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>