[automerger skipped] Add Android.bp to external/oboe am: 4cfcc4ab81 am: 81a8b4e33c am: ee84199fb7 -s ours

am skip reason: Change-Id Icdc9c03d0c0df5235abe15299992a422745aa6c4 with SHA-1 3ec4b88850 is in history

Original change: https://android-review.googlesource.com/c/platform/external/oboe/+/1612070

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9b5b952dbd3944480257c622ec6b9059a2fb0c05