libhwc2.1: support HDR10+ full metadata am: 616748aae7

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/google/graphics/gs101/+/22299683

Change-Id: Ie7d804b880d0338e7964e353f1976adeca203326
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>