Prevent NullPointerException on user update

Prevent toolbar title updates when the UserDetailsFragment is not
started, since the toolbar may not be inflated yet.

Bug: 179143355
Test: manual
Change-Id: I383ee6bd9cf4e4afb96e7c602ca0a2541b6183b4
1 file changed
tree: e95ddd630db619c64c97b20ce5b698658ba9cfc4
  1. res/
  2. src/
  3. tests/
  4. Android.bp
  5. AndroidManifest.xml
  6. OWNERS
  7. PREUPLOAD.cfg