Expose drawer container style

packages/drawer/src/navigators/__tests__/__snapshots__/createDrawerNavigator-test.js.snap

@@ -4,6 +4,7 @@ exports[`createDrawerNavigator renders successfully 1`] = `
 <RCTView
   contentContainerStyle={undefined}
   drawerBackgroundColor="white"
+  drawerContainerStyle={undefined}
   drawerLockMode={undefined}
   drawerPosition="left"
   drawerType="front"

packages/drawer/src/views/DrawerView.js

@@ -238,6 +238,7 @@ export default class DrawerView extends React.PureComponent {
         statusBarAnimation={this.props.navigationConfig.statusBarAnimation}
         minSwipeDistance={this.props.navigationConfig.minSwipeDistance}
         overlayColor={this.props.navigationConfig.overlayColor}
+        drawerContainerStyle={this.props.navigationConfig.drawerContainerStyle}
         contentContainerStyle={
           this.props.navigationConfig.contentContainerStyle
         }