Summary:
`this` is a `ReactNativeHost` post RN 0.29, so the current patch doesn't compile. Simply `getResources()` will work for all versions - Post RN 0.29, it will be the method in the outer `MainApplication`, Pre RN 0.29, it will be the method on the `MainActivity`.
grabbou Kureev
Closes https://github.com/facebook/react-native/pull/9381
Differential Revision: D3744162
fbshipit-source-id: 1fa270bb3268b7b40c6160da948d99ff993c83b1