tree 344d654d1f15168a49eb1af50f28ea890ab457c6
parent 445ab9d8cd3bb63d653cf9d0e0cdb5fae952beaf
author Winson Chung <winsonc@google.com> 1540331472 -0700
committer Winson Chung <winsonc@google.com> 1540332702 -0700

Don't assume there will be a running task

- During tests, if apps and launcher are killed, then there may be no
  running task

Change-Id: Iaef1c4ad0b31cec3c8da7d868e3e7b49d3b09faa