am 8d1eeb21: am 2d155d26: PowerManagerService: Fix bug resulting in backlights turning on while screen is off.

Merge commit '8d1eeb2144945365cae281552bd7bc5eb14f7688' into eclair-mr2-plus-aosp

* commit '8d1eeb2144945365cae281552bd7bc5eb14f7688':
  PowerManagerService: Fix bug resulting in backlights turning on while screen is off.