[automerger skipped] Add bufferpool AIDL definitions am: 1468ddfb am:...

[automerger skipped] Add bufferpool AIDL definitions am: 1468ddfb am: 45c5a7bf am: 47fb2aef -s ours

am skip reason: Merged-In I4b371ccd9a1e1ed59e642d585aa4119c775fbd2c with SHA-1 90584d2c is already in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2283539



Change-Id: Ia1c274475ef735eabe4af21d74e9e1fb7740c3b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>