[automerger skipped] RESTRICT AUTOMERGE SurfaceFlinger: fix a potential race...

[automerger skipped] RESTRICT AUTOMERGE SurfaceFlinger: fix a potential race condition in stealReceiveChannel am: 067def05 -s ours am: 3102f9b9 -s ours am: 210d52c1 -s ours am: 29ee7fa7 -s ours am: a3784d1e -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/18766116



Change-Id: Ib131f55e6003d0e34bc17500885b06f1b153e15f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>