Android n mr1 preview 1
Bump targetSdkVersion to 24
am: 12065ec79e

* commit '12065ec79e269597386d335e3dce005f8fc489b1':
  Bump targetSdkVersion to 24

Change-Id: Ia7cf1f9c15e5d9355518a1e8450ce28fd00f3f7d