scale widget text size properly

Author: tibbi

app/src/main/res/layout/widget.xml

@@ -12,6 +12,6 @@
         android:background="@null"
         android:gravity="top"
         android:padding="@dimen/activity_margin"
-        android:textSize="18sp"/>
+        android:textSize="@dimen/normal_text_size"/>
 
 </RelativeLayout>

app/src/main/res/layout/widget_config.xml

@@ -17,8 +17,7 @@
         android:background="@null"
         android:gravity="top"
         android:padding="@dimen/activity_margin"
-        android:text="@string/widget_config"
-        android:textSize="18sp"/>
+        android:text="@string/widget_config"/>
 
     <Button
         android:id="@+id/config_bg_color"