Revert "Support PER_DISPLAY_BRIGHTNESS."

This reverts commit 50db0356a65bc8e00c6b231d701e4c937865eec0.

Reason for revert: Droidmonitor created revert due to b/364980281. Will be verifying through ABTD before submission.

Change-Id: I763eb6fd662beedf180be32715ddca4c63e8216f
2 files changed