Don't update all apps content visibility during home animation

We already set the all apps content visibility = GONE at the start of
the gesture to prevent relayouts, but when animating home we were
inadvertently changing it to INVISIBLE, causing a relayout and jank.

Bug: 140308849
Change-Id: I285746f8ac8f3f857282e22ebec8eebd0b98647f
4 files changed