Merge "C2Fence: fix ready() of pipe based C2Fence" into main am: b5ebd22e...

Merge "C2Fence: fix ready() of pipe based C2Fence" into main am: b5ebd22e am: 43e3459b am: 3992fb8f am: 96c005c0 am: 87ff627c

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2767865



Change-Id: I0b6e5aedc08c0de0a38c1b115d057d95a1d8e9d0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>