am 1d903521: have "search" as the reason when dismissing system dialogs for search.

Merge commit '1d903521ffc93b5128ebc445d7dd046ee0d5fbc4'

* commit '1d903521ffc93b5128ebc445d7dd046ee0d5fbc4':
  have "search" as the reason when dismissing system dialogs for search.

policy/com/android/internal/policy/impl/PhoneWindow.java

@@ -2508,7 +2508,7 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
         if (cb == null) {
             return false;
         } else {
-            sendCloseSystemWindows();
+            sendCloseSystemWindows("search");
             return cb.onSearchRequested();
         }
     }