am df024920: Don\'t turn on keyboard backlights when keyboard is closed in auto brightness mode.

Merge commit 'df024920ebc63a82f570105c7a26e339ff244afd' into eclair-plus-aosp

* commit 'df024920ebc63a82f570105c7a26e339ff244afd':
  Don't turn on keyboard backlights when keyboard is closed in auto brightness mode.