Workaround for Launcher showing Overview upon Home button

See the bug. We'll fix it holistically at some point.

Bug: 114296086
Test: atest -v google/perf/jank/SystemUI/UbSystemUIJankTests:android.platform.systemui.tests.jank.LauncherJankTests#testOpenAllAppsContainer
Change-Id: Id8af24d2253003b5ec19980a3bb776c7ca466ba5