Summary:
This is the codemod portion of the parent diff.
I modified all call-sites to `ReactContext.getNativeModule` to do a null check on the returned NativeModule.
Changelog:
[Android][Fixed] - Check if NativeModules returned from CatalystInstanceImpl.getNativeModule are null before using them.
Reviewed By: JoshuaGross
Differential Revision: D21272028
fbshipit-source-id: 6bd16c6bf30605f2dfdf4c481352063712965342