Merge "Moving BrightnessTracker dump outside of syncRoot lock" into udc-dev am: b1794312

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22200443



Change-Id: I1edc6102b49132e8a67c00bcbc8dd84681ee6f3d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>