com/example/exoplayerapp/BuildConfig.java
 com.example.exoplayerapp.BuildConfig
com/example/exoplayerapp/MainActivity.java
 com.example.exoplayerapp.MainActivity
 com.example.exoplayerapp.MainActivity$1
 com.example.exoplayerapp.MainActivity$2
 com.example.exoplayerapp.MainActivity$3
