Some cleanup in RecentsView

> Merging overview and all-apps scrims into a single View
> Decoupling TaskMenuView from taskView

Bug: 184676497
Test: Manual

Change-Id: I49f7249eaa2a800054385ab8e73a441d6a1b5e16

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

@@ -149,9 +149,10 @@ public class LauncherRecentsView extends RecentsView<BaseQuickstepLauncher, Laun
     }
 
     @Override
-    protected boolean shouldStealTouchFromSiblingsBelow(MotionEvent ev) {
-        return mActivity.getStateManager().getState().overviewUi
-                && super.shouldStealTouchFromSiblingsBelow(ev);
+    public boolean onTouchEvent(MotionEvent ev) {
+        boolean result = super.onTouchEvent(ev);
+        // Do not let touch escape to siblings below this view.
+        return result || mActivity.getStateManager().getState().overviewUi;
     }
 
     @Override