Don't support full screen for Tablet or iPad

[cristiankmb]

When i use the iPad and Tablet to check out our app, i found that one of the videos don't show successfully in "landscape", the VideoPlayer height is less that the device.

"@expo/videoplayer": "^0.1.13"
"expo": "^22.0.0"
"react": "16.0.0-beta.5"
"react-native": "https://github.com/expo/react-native/archive/sdk-22.0.1.tar.gz"