Merge "Enable the flag that guards the talkback fix" into udc-dev am: 66c55456

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23681027



Change-Id: I22fc405e945fb1b67fc1c63a1d106d984f366942
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>