am 7f7ffa37: am 87e4c951: am 59c1a0e1: am 8ae90587: Merge "Add TabletModeChangedListener for SystemUI." into mnc-dr-dev

* commit '7f7ffa3722ef90a7bf5611221c4a4c9d06823a38':
  Add TabletModeChangedListener for SystemUI.