Merge "C2Fence: properly handle signal interruption of pipe fence wait" into main am: 9341d9d9

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3315997



Change-Id: I3f8dfd2d7bedb212e12c238ae33e67abb056cccd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>