NavigationBarEffect code cleanup

don't check twice for null instances

Change-Id: Ib6fb38e574e1bd8f7478f9b091cf12cd0b396ee8
2 files changed
tree: aafd0c5a67d82e665776bf6eb4a7584c31888165
  1. res/
  2. src/
  3. .gitreview
  4. GoogleManifest.xml