Passing proper velocity information when simulating touch events on recents view

Change-Id: I488b8d61c47e49dbdc65b16e2470b171912efc3f
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index a6b3a19..8f9e7c8 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -1134,9 +1134,7 @@
                 final int activePointerId = mActivePointerId;
                 final int pointerIndex = ev.findPointerIndex(activePointerId);
                 final float x = ev.getX(pointerIndex);
-                final VelocityTracker velocityTracker = mVelocityTracker;
-                velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
-                int velocityX = (int) velocityTracker.getXVelocity(activePointerId);
+                int velocityX = computeXVelocity();
                 final int deltaX = (int) (x - mDownMotionX);
                 final int pageWidth = getPageAt(mCurrentPage).getMeasuredWidth();
                 boolean isSignificantMove = Math.abs(deltaX) > pageWidth *
@@ -1240,6 +1238,12 @@
         return true;
     }
 
+    protected int computeXVelocity() {
+        final VelocityTracker velocityTracker = mVelocityTracker;
+        velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
+        return (int) velocityTracker.getXVelocity(mActivePointerId);
+    }
+
     protected boolean shouldFlingForVelocity(int velocityX) {
         return Math.abs(velocityX) > mFlingThresholdVelocity;
     }