Make removeClippedSubviews default to true on ListView/RecyclingListView

Reviewed By: @satishsampath

Differential Revision: D2536046

fb-gh-sync-id: 7e0b4442bb0b3705bba3b5f7bdf873fb348a83f6

Libraries/CustomComponents/ListView/ListView.js

@@ -387,6 +387,9 @@ var ListView = React.createClass({
     if (!props.scrollEventThrottle) {
       props.scrollEventThrottle = DEFAULT_SCROLL_CALLBACK_THROTTLE;
     }
+    if (props.removeClippedSubviews === undefined) {
+      props.removeClippedSubviews = true;
+    }
     Object.assign(props, {
       onScroll: this._onScroll,
       stickyHeaderIndices: sectionHeaderIndices,