Randomly generate channel names using uuids so we can parallelize tests.

When running multiple tests at the same time that use ipc or inproc
we have issues if they duplicate the same channel name, so we
using the testing infrastructure to generate unique channel for use.

Change-Id: Idb31c8625875ddd6ff6eb0bffd6066fc0e1860d1
Merge branch 'testing_uuid_generator'

Change-Id: Ib17fd9ed808bb78a477b6ddc1c6a9bc178585fc5