[automerger skipped] Mark Android R (rvc-dev-plus-aosp-without-vendor@6692709) as merged am: 6b0d266d0b -s ours am: e4ce851107 -s ours am: 2191253435 -s ours

am skip reason: Change-Id I8ff480dd2e7d7e9cdcc498d91cbaf5b385487a94 with SHA-1 9a1f0f2cb8 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/rust/crates/syn-mid/+/12469941

Change-Id: I397d266b15b08d20f0fd6ba886425fa4cb0fb11c