[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: 25efcc1f -s ours

am skip reason: subject contains skip directive

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



Change-Id: I2250743d7df7f7514a7e3e79583b46301cf79ddb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>