Merge "Dump display brightness followers" into udc-dev am: b61f14b846 am: 5e993b174c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22675383

Change-Id: Id23ae27d79b7100573ea72c7aa1fbfc40df2dd94
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>