[automerger skipped] [automerge] RESTRICT AUTOMERGE SurfaceFlinger: fix a potential race condition in stealReceiveChannel 2p: 29e34cfcf9 am: ce81f1fffa -s ours am: 2c681bc96a -s ours am: 8570583515 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/18766107

Change-Id: Ibeb4bf7f311ed2a8a70d2115d3f354ba4502623b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>