[automerger skipped] RESTRICT AUTOMERGE SurfaceFlinger: fix a potential race condition in stealReceiveChannel am: 067def0585 -s ours am: 3102f9b9ab -s ours am: 210d52c18c -s ours am: 29ee7fa7e5 -s ours am: a3784d1ea6 -s ours

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

Change-Id: I771949ca1bebf92c7cb6a8535c830dfc7288674d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>