Fix deprecation warnings caused by Guava upgrade

Replace Objects.firstNonNull() with MoreObjects.firstNonNull().

Change-Id: I6119614778c3f877b3f3e5875e95f28e43996429
2 files changed
tree: ba2f67781cde1b18f61907d0bc36172b7d3e1b7a
  1. lib/
  2. src/
  3. .buckconfig
  4. .gitignore
  5. BUCK
  6. LICENSE
  7. pom.xml