am af081aa1: am 0f2a4e60: am 6897e36b: Add comment warning to not use hardware based autobrightness support.

Merge commit 'af081aa1edf8f427f9684d5a9bdadc43e994fefd'

* commit 'af081aa1edf8f427f9684d5a9bdadc43e994fefd':
  Add comment warning to not use hardware based autobrightness support.