Merge "Clean up METADATA files" into main am: dc3de08f08 am: 6f6ce569eb

Original change: https://android-review.googlesource.com/c/platform/external/wayland-protocols/+/3068244

Change-Id: I951a6ef3d8830b836057b495d56ab38eab4f7490
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>