Merge "Dump display brightness followers" into udc-dev am: b61f14b8 am: 782af209

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



Change-Id: Ib3a9ef5b9ec4e7d139b56f211001b8771bdb43c1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>