am 27c6dd7a: PowerManagerService: Fix manual brightness mode.

Merge commit '27c6dd7aa4ff6f57435a3c87d8b9a782cf7c9116' into eclair-mr2

* commit '27c6dd7aa4ff6f57435a3c87d8b9a782cf7c9116':
  PowerManagerService: Fix manual brightness mode.