Track AArch64 changes from AOSP.
Track AArch64 changes from AOSP.

mPtr is now long, not int.

Change-Id: I75297cbef3571f8f0cc02a35a06c1bc1f4fbe416

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