am 9baeff05: am 6eb14c30: PowerManagerService: Do not enable light sensor if hardware backlight management is being used.

Merge commit '9baeff05a8bf9bd4479f2a357dca0463cc750202' into eclair-mr2-plus-aosp

* commit '9baeff05a8bf9bd4479f2a357dca0463cc750202':
  PowerManagerService: Do not enable light sensor if hardware backlight management is being used.