public static RunnableWithPriority get(Runnable runnable) {
    return get(runnable, Priority.NORMAL);
  }
Helper method to get {@link RunnableWithPriority} implementation for a given Runnable with NORMAL priority.

@param runnable Runnable to be wrapped and executed.
@return a wrapper {@link RunnableWithPriority} object.
app/com/linkedin/drelephant/priorityexecutor/RunnableWithPriority.java