Summary:
This change renames `PopupMenuAndroidNativeComponent.js` to `PopupMenuAndroidNativeComponent.android.js`.
The reason is that, without the suffix, Codegen was reading the NativeComponent spec also for iOS, generating some invalid specs and making RNTester fail.
## Changelog:
[Android][Changed] - Rename `PopupMenuAndroidNativeComponent.js` to `PopupMenuAndroidNativeComponent.android.js`
Reviewed By: cortinico, dmytrorykun
Differential Revision: D54199736
fbshipit-source-id: 7fd67c4d38a69fe3a84c800c8ee5dcbd8c4f9a6c