Hyphenate text in CheckedTextView

CheckedTextView style defaults are not derived from TextView, so they
were not getting hyphenated at all. Now they are hyphenated the same
way a normal TextView is hyphenated.

Test: Manual
Bug: 37763646
Change-Id: I3d14e5a1764561cc2922eea569d124c77cb53631

core/res/res/values/styles.xml

@@ -511,6 +511,8 @@ please see styles_device_defaults.xml.
 
     <style name="Widget.CheckedTextView">
         <item name="textAlignment">viewStart</item>
+        <item name="breakStrategy">high_quality</item>
+        <item name="hyphenationFrequency">normal</item>
     </style>
 
     <style name="Widget.TextView.ListSeparator">