Do a full touch dispach when proxying touch

> Workspace can no longer be scrolled when swipin on hotseat

Bug: 130027168
Change-Id: Ie4621e5b7de8d7248227b25fb065249d0c252090

src/com/android/launcher3/Workspace.java

@@ -475,13 +475,6 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
         super.onViewAdded(child);
     }
 
-    protected boolean onInterceptHotseatTouch(View v, MotionEvent ev) {
-        // We don't want any clicks to go through to the hotseat unless the workspace is in
-        // the normal state or an accessible drag is in progress.
-        return !workspaceIconsCanBeDragged()
-                && !mLauncher.getAccessibilityDelegate().isInAccessibleDrag();
-    }
-
     /**
      * Initializes and binds the first page
      * @param qsb an existing qsb to recycle or null.