public static void println(int priority, String tag, String msg) {
        println(priority, tag, msg, null);
    }
Instructs the LogNode to print the log data provided. Other LogNodes can
be chained to the end of the LogNode as desired.

@param priority Log level of the data being logged. Verbose, Error, etc.
@param tag Tag for for the log data. Can be used to organize log statements.
@param msg The actual message to be logged. The actual message to be logged.
SwipeRefreshLayoutBasic/Application/src/main/java/com/example/android/common/logger/Log.java