am 76e4fa19: Merge "Only pulse notification light if a new notification has been received since the screen was last turned off" into gingerbread

Merge commit '76e4fa19264793e3ed7e2ee7afccfc808a1a7458' into gingerbread-plus-aosp

* commit '76e4fa19264793e3ed7e2ee7afccfc808a1a7458':
  Only pulse notification light if a new notification has been received since the screen was last turned off