Add back support for lazy tabs and use removeClippedSubviews (#3538)

* Lazy initialization of tabs and move contents off-screen when not active

* Make subview clipping and lazy both configurable

* Record snapshots again

* Update type definition

* Remove unused log

examples/NavigationPlayground/js/SimpleTabs.js

@@ -163,6 +163,8 @@ const SimpleTabs = TabNavigator(
     },
   },
   {
+    lazy: true,
+    removeClippedSubviews: true,
     tabBarOptions: {
       activeTintColor: Platform.OS === 'ios' ? '#e91e63' : '#fff',
     },