Adds `statusBar.animated` and fixes animation bugs
Adds `statusBar.animated` and fixes animation bugs

The new `animated` property of the `statusBar` prop object affects
both `style` and `hidden` when they are changed. Fixes bugs so the
animations play. (They have to be passed in the StatusBar calls.)

Kureev/react-native-navbar,react-native-fellowship/react-native-navbar