Fix ListViewGridLayoutExample Fixes facebook#8248

Reviewed By: javache

Differential Revision: D3469544

fbshipit-source-id: 6fad3a7b6f7cafbb833818b7b7a3afb3e127bbcf

Author: Emil Sjolander

Examples/UIExplorer/ListViewGridLayoutExample.js

@@ -123,7 +123,8 @@ var styles = StyleSheet.create({
   list: {
     justifyContent: 'space-around',
     flexDirection: 'row',
-    flexWrap: 'wrap'
+    flexWrap: 'wrap',
+    alignItems: 'flex-start'
   },
   row: {
     justifyContent: 'center',