tree 831e062a9e2f03e984d7223ca56cccb427a9f8c6
parent 7e15fd44e37c431815548f6dcc4ce05a384eaf7a
author Yuncheol Heo <ycheo@google.com> 1620065717 -0700
committer Yuncheol Heo <ycheo@google.com> 1620182056 -0700

Sends the empty navigation state on the app context ownership change.

- This task is needed to clear out the last navigation direction.

Bug: 173454430
Test: check ClusterOsDouble clears the navigation state when the \
    navigation is finished.
Change-Id: I07feff1867560d4e9ca68afcf8406773c7799914