DO NOT MERGE - Disabled swiping in Grid-based Recents.

Bug: 32101881
Change-Id: I45a806a6b1fc387b2c560a8f2228ad83e4068d7c
(cherry picked from commit 7e09146f13)

packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java

@@ -168,7 +168,7 @@ class TaskStackViewTouchHandler implements SwipeHelper.Callback {
     /** Touch preprocessing for handling below */
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         // Pass through to swipe helper if we are swiping
-        mInterceptedBySwipeHelper = mSwipeHelper.onInterceptTouchEvent(ev);
+        mInterceptedBySwipeHelper = isSwipingEnabled() && mSwipeHelper.onInterceptTouchEvent(ev);
         if (mInterceptedBySwipeHelper) {
             return true;
         }
@@ -680,4 +680,11 @@ class TaskStackViewTouchHandler implements SwipeHelper.Callback {
     public float getScaledDismissSize() {
         return 1.5f * Math.max(mSv.getWidth(), mSv.getHeight());
     }
+
+    /**
+     * Returns whether swiping is enabled.
+     */
+    private boolean isSwipingEnabled() {
+        return !mSv.useGridLayout();
+    }
 }