Add better padding to bottom of ClearAll TextView

* Also remove whitespace

Change-Id: Ie7710e14740c39f130353120338b34ac258b7cdf
Signed-off-by: Brandon McAnsh <brandon.mcansh@gmail.com>
Add null check on TaskView before dismissing task

* Prevents 'Attempting to invoke virtual method ...  on a null object reference

Change-Id: I00b631e2426d2a39539027288a1f471a6aea79ec
Signed-off-by: Brandon McAnsh <brandon.mcansh@gmail.com>