Merge "Fixed inaccurate brightness slider UI" into tm-qpr-dev am: 4f33cbd6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19669170



Change-Id: I7695aaf0b5571a8e5db4c9830a3b3888f143ed10
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>