Add more unit tests for Util.java

* Add new addAllToMap and factor out addKeyToMap.

Change-Id: I0654ff50b53cfc7539794a750f1d082cf63a9e68
2 files changed
tree: 915d6ae0ec4b5e32b4f615008677505a16a986c1
  1. BUILD
  2. LICENSE
  3. OWNERS
  4. src/