[automerger skipped] Merge "All hals are marked optional in compatibility matrices (U)" am: a9259fafd6 am: ff413b8431 am: be933b2776 -s ours am: a8e766a89f -s ours

am skip reason: Merged-In I2ffb16e226a5bcf5166a99fc6199276b9230cf50 with SHA-1 72dee4908e is already in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2515750

Change-Id: I69627e154f3577b0845d9f68148e1454b8021059
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>