Fixing typo in AppContainer

Summary: Fixed a typo. Adding an optional wrapper component to AppContainer.

Reviewed By: fkgozali

Differential Revision: D5330056

fbshipit-source-id: 8e33fcbfb21168c641abbd54b79d272a7c361889

Libraries/ReactNative/AppContainer.js

@@ -24,11 +24,11 @@ const View = require('View');
 type Context = {
   rootTag: number,
 };
-type Props = {
+type Props = {|
   children?: React.Children,
   rootTag: number,
   WrapperComponent?: ?ReactClass<*>,
-};
+|};
 type State = {
   inspector: ?React.Element<*>,
   mainKey: number,

Libraries/ReactNative/renderApplication.js

@@ -31,7 +31,7 @@ function renderApplication<Props: Object>(
   invariant(rootTag, 'Expect to have a valid rootTag, instead got ', rootTag);
 
   ReactNative.render(
-    <AppContainer rootTag={rootTag} wrapperComponent={WrapperComponent}>
+    <AppContainer rootTag={rootTag} WrapperComponent={WrapperComponent}>
       <RootComponent {...initialProps} rootTag={rootTag} />
     </AppContainer>,
     rootTag,