Oboe: Add headers am: b845bc048d

Original change: https://android-review.googlesource.com/c/platform/external/oboe/+/2433813

Change-Id: Iff3e482bb0253b5913509c7c9ce05bd4bf81d98e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>