Intercept touch events from anywhere while all apps is closing

Previously we did this only from a settled state, but now we also
do it during the transition to NORMAL.

Test: open all apps. Then, swipe down to home and back up to all
apps (from above the top of all apps).

Fixes: 159856104
Change-Id: Ib78c6a41d5fa17dd26a7df4e9069e0ada1f46dd0