Simplifying fallback recents animation

Instead of using WindowTransformSwipeHandler, keeping the launcher UI in place and
just animating the window

Change-Id: I4defce3a9745407523de651aeb28a37867567507
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index b410f4f..90c55c9 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -294,6 +294,7 @@
         mPopupDataProvider = new PopupDataProvider(this);
 
         mRotationHelper = new RotationHelper(this);
+        mAppTransitionManager = LauncherAppTransitionManager.newInstance(this);
 
         boolean internalStateHandled = InternalStateHandler.handleCreate(this, getIntent());
         if (internalStateHandled) {
@@ -341,8 +342,6 @@
         getSystemUiController().updateUiState(SystemUiController.UI_STATE_BASE_WINDOW,
                 Themes.getAttrBoolean(this, R.attr.isWorkspaceDarkText));
 
-        mAppTransitionManager = LauncherAppTransitionManager.newInstance(this);
-
         if (mLauncherCallbacks != null) {
             mLauncherCallbacks.onCreate(savedInstanceState);
         }