am 9391a60: Merge branch \'readonly-p4-donut\' into donut

Merge commit '9391a604e49112d6fd2ddd39ebba42688ec54985'

* commit '9391a604e49112d6fd2ddd39ebba42688ec54985':
  AI 148257: Allow preview of any files (mime type */*) by removing

src/com/android/email/Email.java

@@ -64,9 +64,7 @@ public class Email extends Application {
      * The MIME type(s) of attachments we're willing to view.
      */
     public static final String[] ACCEPTABLE_ATTACHMENT_VIEW_TYPES = new String[] {
-        "image/*",
-        "audio/*",
-        "text/*",
+        "*/*",
     };
 
     /**