Auto-detect locale on Android (#13561)

src/porting_android.h

@@ -43,7 +43,6 @@ void cleanupAndroid();
 
 /**
  * Initializes path_* variables for Android
- * @param env Android JNI environment
  */
 void initializePathsAndroid();
 
@@ -83,4 +82,6 @@ std::string getInputDialogValue();
 float getDisplayDensity();
 v2u32 getDisplaySize();
 #endif
+
+std::string getLanguageAndroid();
 }