[automerger skipped] [automerge] Revert "Revert "RESTRICT AUTOMERGE Set BUILD_ID=SC"" 2p: ef1bcc1f9a am: 6fd648e189 -s ours am: 6ab0b9f15a -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/15798253

Change-Id: I419db3b40108608a77f3f18db148ef26d9b94ae2