[automerger skipped] Mark Android R (rvc-dev-plus-aosp-without-vendor@6692709) as merged am: ac6e501f4d -s ours

am skip reason: Change-Id I267fe85d6ff38b19a249296c2a74f2b95d5b4767 with SHA-1 c862bb6a3a is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/rust/crates/regex-syntax/+/12469916

Change-Id: I6a4c3190ba605f93e3947cbe3e15517391e0a1fb