Merge "Set screenrecord a11y live region mode" into rvc-dev am: ce6e7ba108 am: d634448bfb am: c7bfd3bc52

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11876504

Change-Id: Ie27a31e78ffa3177204a722896f29ad21bd46777