Merge "Add tracing thread for RenderEngine's fences" into udc-dev am: 0f0c9770c8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23007114

Change-Id: I6810c32221669b882657e79de34d943b5d970af3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>