Fix TaskarUIController being wrong with Overview-in-Window enabled

- isHomeAndOverviewSame now returns true for launcher in window
- added isHomeAndOverviewSameActivity to differentiate specifically
  when Overview is hosted in the Launcher activity (currently only
  used for launcherChildTask handling, which we can clean up in a
  follow up change)
- overviewIntent now equals homeIntent for launcher in window
- fixed containerInterface to always use FallbackoverviewInWindow
  when overview-in-window is enabled; this means TaskbarManager
  gets the proper RecentsViewContainer for creating the correct
  TaskbarUIController
- updated getSwipeUpHandlerFactory based on isHomeAndOverviewSame
  change above

Fixes: 401382430
Test: InputConsumerUtilsTest, manual
Flag: com.android.launcher3.enable_fallback_overview_in_window
Flag: com.android.launcher3.enable_launcher_overview_in_window

Change-Id: Ie8edd55b47d6438af36b9d2a788d72d69afa02f3