Ignore task view task when loadAnimation

Task view task should animate itself so we should avoid load
animation in core.

Also add a new create root task api for auto to create a task
with removeWithTaskOrganizer flag to be determined as task
view task.

Bug: 263199423
Test: manual
Test: pass existing tests
Change-Id: Ib49afc71b04c66a346147d1af2207dc0dcdf5018