Fix Java coding style issues.

* Remove unused parameters.
* Use map.computeIfAbsent.
* Use Immutable{Map,Set} classes.
* Add @RunWith and @Override.

Change-Id: Ib0a7c1957b69f5649dabf221628cb90aec96d3f2
2 files changed
tree: f059080cf23adf8a917635ba4b6a4685dce5b407
  1. BUILD
  2. LICENSE
  3. OWNERS
  4. src/