Disable quickswitch interactions with desktop mode

Disable quickswitch gestures when in desktop mode enviroment as well as
questures outside desktop mode that will result in the user entering
desktop mode.

Flag: NONE
Test: atest ShowImeOnAppStartWhenLaunchingAppFromQuickSwitchTest
      atest QuickSwitchBetweenTwoAppsForwardTest
      atest QuickSwitchBetweenTwoAppsBackTest
      atest QuickSwitchFromLauncherTest
      atest QuickswitchTest
      atest -c NexusLauncherTests:com.android.quickstep.TaplTestsQuickstep
      atest -c NexusLauncherTests:com.android.quickstep.TaplTestsTaskbar
      atest -c NexusLauncherTests:com.android.quickstep.TaplTestsTrackpad
      atest -c NexusLauncherTests:com.android.quickstep.TaplTestsTransientTaskbar
Fixes: 330148342
Change-Id: If11901e6642036f8b8dda38b3419f6c10980d902