Merge "hidl plugin sample: notify queue condition at queue" am: 1b70d657 am:...

Merge "hidl plugin sample: notify queue condition at queue" am: 1b70d657 am: 1917f6bd am: 0e2781de am: 4e22d0a6

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2154817



Change-Id: I43e53c54038a735d3e5852c5b3431a221a7e0ecb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>