Remove internal references from DatePicker

Bug: 15675746
Change-Id: I92d22d25c140a82831eb6086772d66cf4ea62b86
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 696ea08..afd0f40 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -675,4 +675,8 @@
     <string name="date_time_fmt">"<xliff:g id="date">%s</xliff:g>, <xliff:g id="time_interval">%s</xliff:g>"</string>
     <!-- Title for untitled calendar interactions [CHAR LIMIT=40] -->
     <string name="untitled_event">(Untitled event)</string>
+
+    <!-- Name of the button in the date/time picker to accept the date/time change [CHAR LIMIT=15] -->
+    <string name="date_time_set">Set</string>
+
 </resources>