Merge "Implementing new visd for backlight indicator" into udc-dev am: 8f288adc am: a057dfb5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22959901



Change-Id: Id7f1a1d4f19bfe17049a78a83396029e86ed4fa8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>