[automerger skipped] [DO NOT MERGE] OMX VTS: Use GraphicBuffer utils from libui am: 868c1834 am: f1e06c0a am: 12b3f7fa -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/12227826

Change-Id: I3391e5e898f934e44a40a1d05e63e2a01f72033a