Merge "Remove precision loss on brightness slider." into rvc-dev am: b204ade30c am: 3eff280ea8 am: feb71faebe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11595231

Change-Id: Id2102ec1b5fa0c90a0d11a76bcb1b23bc26594f6