Enabling secondary deviceprofile creation in windowcontext

Test: Built and ran locally

Flag: com.android.launcher3.enable_fallback_overview_in_window
      com.android.launcher3.enable_launcher_overview_in_window

Change-Id: Iafb75840c4acadb35eb9e89810e9de61bbeda326

quickstep/src/com/android/quickstep/views/RecentsView.java

@@ -144,7 +144,6 @@ import com.android.launcher3.BaseActivity.MultiWindowModeChangedListener;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Flags;
 import com.android.launcher3.Insettable;
-import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.PagedView;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
@@ -574,8 +573,6 @@ public abstract class RecentsView<
     // Keeps track of the previously known visible tasks for purposes of loading/unloading task data
     private final SparseBooleanArray mHasVisibleTaskData = new SparseBooleanArray();
 
-    private final InvariantDeviceProfile mIdp;
-
     /**
      * Getting views should be done via {@link #getTaskViewFromPool(int)}
      */
@@ -912,7 +909,6 @@ public abstract class RecentsView<
         mFastFlingVelocity = getResources()
                 .getDimensionPixelSize(R.dimen.recents_fast_fling_velocity);
         mModel = RecentsModel.INSTANCE.get(context);
-        mIdp = InvariantDeviceProfile.INSTANCE.get(context);
 
         mClearAllButton = (ClearAllButton) LayoutInflater.from(context)
                 .inflate(R.layout.overview_clear_all_button, this, false);