tree 73cff57c4a1f492787cc00ba9071f0b8fd7ae310
parent e78a70ba836c821f49b722d041a72b712bec75eb
author Tony Wickham <twickham@google.com> 1616717718 -0700
committer Tony Wickham <twickham@google.com> 1617666137 -0700

Explicitly set which taskbar view is visible at each caller

This makes it more clear which taskbar view is expected for particular
code flows. Also makes it easier to set it to null in cleanup().

Test: call cleanup() while taskbarOnHome is invisible, ensure hotseat
icons go back to being visible
Bug: 182512211
Fixes: 183633496

Change-Id: I680a15582c8034a049b20e035b4d54f5ea5aee04