Android ScrollView fix for snapToInterval not snapping to end

Summary:
The end-of-scrollable-range offset was not clipped before the nearestOffset calculation causing the ScrollView to not snap to the end of the view when the width of the ScrollView was not an exact multiple of snapToInterval.

Addresses facebook#21116 (comment)

Reviewed By: yungsters

Differential Revision: D10248545

fbshipit-source-id: 2bdc94ea0a9d9f063769f2c5da4c33d4872b1db2

ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactHorizontalScrollView.java

@@ -608,7 +608,7 @@ private void flingAndSnap(int velocityX) {
       double interval = (double) getSnapInterval();
       double ratio = (double) targetOffset / interval;
       smallerOffset = (int) (Math.floor(ratio) * interval);
-      largerOffset = (int) (Math.ceil(ratio) * interval);
+      largerOffset = Math.min((int) (Math.ceil(ratio) * interval), maximumOffset);
     }
 
     // Calculate the nearest offset

ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactScrollView.java

@@ -569,7 +569,7 @@ private void flingAndSnap(int velocityY) {
       double interval = (double) getSnapInterval();
       double ratio = (double) targetOffset / interval;
       smallerOffset = (int) (Math.floor(ratio) * interval);
-      largerOffset = (int) (Math.ceil(ratio) * interval);
+      largerOffset = Math.min((int) (Math.ceil(ratio) * interval), maximumOffset);
     }
 
     // Calculate the nearest offset