Add tools:text to word count textview

refs #141

Author: chrjsorg

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

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/note_Fragment_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -32,7 +32,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:textStyle="italic"
-                android:text=""
+                tools:text="123"
                 android:padding="5dp"
                 android:layout_alignParentBottom="true"
                 android:layout_alignParentEnd="true"