merge in klp-release history after reset to klp-dev
diff --git a/InCallUI/src/com/android/incallui/ConferenceManagerPresenter.java b/InCallUI/src/com/android/incallui/ConferenceManagerPresenter.java
index d0f62d7..1ba88cb 100644
--- a/InCallUI/src/com/android/incallui/ConferenceManagerPresenter.java
+++ b/InCallUI/src/com/android/incallui/ConferenceManagerPresenter.java
@@ -64,6 +64,8 @@
                     Log.v(this, "Number of existing calls is " +
                             String.valueOf(call.getChildCallIds().size()));
                     update(callList);
+                } else {
+                    getUi().setVisible(false);
                 }
             } else {
                 getUi().setVisible(false);