Merge "Add HardwareBuffer::as_raw for C FFI boundary" into main am: fff76ea8df

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3316232

Change-Id: I3e84cc6b1a7c68d513e41740f137942384468150
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>