Merge "Additional tracing for volume dialog" into udc-dev

    public void dump(PrintWriter writer, String[] unusedArgs) {

        writer.println(VolumeDialogImpl.class.getSimpleName() + " state:");

        writer.print("  mShowing: "); writer.println(mShowing);

        writer.print("  mIsAnimatingDismiss: "); writer.println(mIsAnimatingDismiss);

        writer.print("  mActiveStream: "); writer.println(mActiveStream);

        writer.print("  mDynamic: "); writer.println(mDynamic);

        writer.print("  mAutomute: "); writer.println(mAutomute);