Clean up status bar colors (#1229)

Fixes #1226

native/app/components/EditorPanelHeader.js

@@ -143,7 +143,6 @@ const styles = StyleSheet.create({
   toolbar: {
     backgroundColor: 'white',
     padding: 0,
-    opacity: 0.9,
     shadowOpacity: 0,
     elevation: 0,
     paddingTop: StatusBar.currentHeight

native/index.js

@@ -147,7 +147,7 @@ const App = createDrawerNavigator(
 
 class Notes extends React.Component {
   componentDidMount() {
-    StatusBar.setBackgroundColor('rgba(249, 249, 250, 0.3)');
+    StatusBar.setBackgroundColor('rgba(255, 255, 255, 0.3)');
     StatusBar.setTranslucent(true);
     StatusBar.setBarStyle('dark-content');
     trackEvent('open');