Quick response overflow menu string change

Change quick responses overflow menu from "Reset default app" to
"Restore defaults"

Bug:10691463
Change-Id: I04e428f512483bf85ddb325513f7f88db2b56b6b
diff --git a/res/values/strings.xml b/res/values/strings.xml
index f644dda..bce7648 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1269,7 +1269,7 @@
     <string name="respond_via_sms_edittext_dialog_title">Quick response</string>
     <!-- Menu option in  "Respond via SMS" that allows user to reset the default
          activity used to handle "Respond via SMS" [CHAR LIMIT=30] -->
-    <string name="respond_via_sms_menu_reset_default_activity">Reset default app</string>
+    <string name="respond_via_sms_menu_reset_default_activity">Restore defaults</string>
 
     <!-- "Respond via SMS": Confirmation message shown after sending
          a text response. [CHAR LIMIT=40] -->