Merge "Use exact brightnesses values for comparison." into sc-dev am: 8769ff64 am: 27903b85 am: 6a15fd35

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15221614

Change-Id: I23f835b0b89713e8fb3f7071891bc35949bad1d8