tree d344f9440ae0638806c57bcb46d578d0f8c4e132
parent 530c508ed11fc81b4d81713f0d357244a0cdeab9
author Kenny Guy <kennyguy@google.com> 1547729794 +0000
committer Kenny Guy <kennyguy@google.com> 1548952386 +0000

Pipe through color sampling to BrightnessChangeEvent

Change brightness tracker to enable / disable color
sampling on screen on / off.
Add value channel to BrightnessChangeEvent if available.

Bug: 112756444
Test: atest BrightnessTrackerTest
Test: atest android.display.cts.BrightnessTest
Test: manual checked pixel3 which supports this and pixel2 which doesn't

Change-Id: I94384752235d891cee975b01f933c0bc0b4572a9