Add TestWatcher to log starting/finished messages

* Make the test log files easier to read.

Change-Id: I5700c2286c3da5456e569ae1664d8a5e775fbf0c
6 files changed
tree: 4a4d63d6253ae19b4f073957c8057f8526d6cc6b
  1. src/
  2. BUILD
  3. LICENSE
  4. OWNERS