am f4a502a2: Merge "Don\'t adjust lights if screen or button brightness is changed when the screen is off." into froyo

Merge commit 'f4a502a235e9f9ea0bcd2d5ca4981dc6e1a619c4' into kraken

* commit 'f4a502a235e9f9ea0bcd2d5ca4981dc6e1a619c4':
  Don't adjust lights if screen or button brightness is changed when the screen is off.