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

[automerger skipped] RESTRICT AUTOMERGE SurfaceFlinger: fix a potential race condition in stealReceiveChannel am: 97a31706 -s ours am: 8a4f12a2 -s ours am: b8f37dcd -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/18764133



Change-Id: Ibddc11cb7e2dc4cbf6f2514481d773bf65375f2d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>