Merge "Remove precision loss on brightness slider." into rvc-dev am: b204ade30c am: ba2cfaafe5 am: 3db9c66a5f

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

Change-Id: Id55154a2544abbdc42745d646e0df8cd9ac39180