tree 87bc88c0eb8596bf90eda5e30ddd23595579c54e
parent 3adf6ff5a2de10a131e4949cec622fc228d8dbd4
author Tony Wickham <twickham@google.com> 1569009254 -0700
committer Tony Wickham <twickham@google.com> 1569039035 +0000

Don't crash when swiping up if there are no TaskViews

This can happen in LockTask mode, after enabling Overview. In that case,
you are locked to the current task, but are allowed to go to overview
but no tasks are shown there.

Bug: 139917483
Change-Id: I2180cc5e72c343977ea53cc02907ed8dac0f8bc6
Merged-In: I2180cc5e72c343977ea53cc02907ed8dac0f8bc6
(cherry picked from commit 60bf8c117b2388a8f243f20e673c29656548be4a)