修复了android 下间隔高度不正确的问题。review by shixiang。

@@ -117,7 +117,7 @@ export default class NewArrival extends Component {
                     return (
                         <View style={{
                             width,
-                            height: featuredHigh+50,
+                            height: Platform.OS === 'ios'? featuredHigh + 50 : featuredHigh + 65,
                             marginBottom: 15,
                             alignItems: 'center',
                         }}> 
@@ -146,7 +146,7 @@ export default class NewArrival extends Component {
                     return (
                         <View style={{
                             width,
-                            height: (((width-48) / 2)*220)/330+58,
+                            height: Platform.OS === 'ios'?  (((width-48) / 2)*220)/330+58 : (((width-48) / 2)*220)/330+64,
                         }}> 
                         <Text style={styles.headerText} >
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