Use the NDK headers for AHardwareBuffer.

Bug: 6672
Change-Id: I5abd86149e912d91234853109ebd2a6b0ac5eaa2
Reviewed-on: https://skia-review.googlesource.com/20980
Reviewed-by: Stan Iliev <stani@google.com>
Commit-Queue: Derek Sollenberger <djsollen@google.com>
5 files changed