Allow EditContactActivity to use a picker

Few fixes... when creating a contact, it returns to the List.  The list converts
the raw_contact into a contact and returns that (same as if you selected a contact).

Then changed AttachImage to use the new style of contacts.

Bug: 2092559
diff --git a/res/values/strings.xml b/res/values/strings.xml
index fcb6d1e..43c1c82 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -344,6 +344,9 @@
     <!-- The group type that displays "Starred in Android" contacts -->
     <string name="starredInAndroid">Starred in Android</string>
 
+    <!-- Displayed in a spinner dialog after the user creates a contact and it's being saved to the database -->
+    <string name="savingContact">Saving contact...</string>
+
     <!-- Toast displayed when a contact is created -->
     <string name="contactCreatedToast">Contact created.</string>