Merge "Deprecate android.hidl.allocator after U vintf" into main am: 6e16bd3855

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2902449

Change-Id: I294fbb2e1c379fcb4565f936984bfbb8d75902d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>