Merge "Reserves memory for external buffers" into rvc-dev am: 5f86b51408 am: 79de2730fe am: 0f16de253f

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/11925286

Change-Id: Ia78286eb154ae6b5f6d4631b7123cdc2ab0cf788