am c19a11a4: Merge "HH: Minimally refactor Android.mk"
am c19a11a4: Merge "HH: Minimally refactor Android.mk"

* commit 'c19a11a46dcb916a7964bb8281bd6838a8d45019':
  HH: Minimally refactor Android.mk

maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead