Merge "Memtrack HAL: Report global total GPU-private memory" into sc-dev am: 78fb95c57f am: 85889014b5 am: 0883416f5b

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/15266040

Change-Id: Id56cb7fde9a4da92051760ded1e2b1fcb4c294fa