am ab864345: Track AArch64 changes from AOSP.
am ab864345: Track AArch64 changes from AOSP.

* commit 'ab8643452adcf91781991bce03be26f072311d89':
  Track AArch64 changes from AOSP.

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base