Merge "Plumb display brightness nits to composer hal." into tm-dev am: d7814346

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/17354440



Change-Id: I8836d392254d2bbea4c9448b7bc8a9095d9e8d49
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>