Added a missing import statement

Author: fomojola

AutoFitTextViewLibrary/src/com/lb/auto_fit_textview/AutoResizeTextView.java

@@ -12,6 +12,7 @@
 import android.util.AttributeSet;
 import android.util.TypedValue;
 import android.widget.TextView;
+import android.text.method.TransformationMethod;
 
 /**
  * a textView that is able to self-adjust its font size depending on the min and max size of the font, and its own size.<br/>