Merge "Remove MutatorHandle.Parallel()" into main am: 2527b6aea6 am: c19efd4ab4

Original change: https://android-review.googlesource.com/c/platform/external/wayland-protocols/+/3303242

Change-Id: Iec9c8452615f349c7aeb5c56f0c7693d2beb46b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>