Checks the visible-requested state vs. #isVisible

The transient-launch activity could be hidden in the end
of the transition. Therefore, the activity should still be
paused. A wtf log was dumped when trying to pause the Activity
while it is the resuming Activity.

Bug: 310015968
Test: starting recent tasks from Recents
Change-Id: I5178f9769b653dc685a545caeb0c756a30cba5f3