am 6eb14c30: PowerManagerService: Do not enable light sensor if hardware backlight management is being used.

Merge commit '6eb14c30387d9c13538887e54bc180a430b2ac40' into eclair-mr2

* commit '6eb14c30387d9c13538887e54bc180a430b2ac40':
  PowerManagerService: Do not enable light sensor if hardware backlight management is being used.