Merge "Add a11y titles for taskbar windows." into tm-qpr-dev am: 50b3b62e am: 57a33124

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20239440



Change-Id: Ibf1bf6b7c7845c40ac8bcb1e706674f41230fdb0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>