liburingutils: Add unit tests am: f3d7706e7b Original change: https://android-review.googlesource.com/c/platform/system/liburingutils/+/3536896 Change-Id: I75fc20753b6885d1bb4cd39d33c232f262153d27 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>