tree a5dfa5fc2010a677a896f47c012b137a85bdb0b0
parent 814b615b62a4eb69b70e1f52525ee9d6294909f8
author Sunny Goyal <sunnygoyal@google.com> 1553812532 -0700
committer Sunny Goyal <sunnygoyal@google.com> 1553877405 -0700

Making navigation mode listener a singleton so that the change is dispatched
everywhere synchronously.

Change-Id: Iee8c5957d78dfad3fb03e814de0367adcaa0c98b