Add PROPERTY_IS_DOWNGRADED_CONFERENCE

Change-Id: I490876b45dcfb0b0efa9604c9d666db485923391
Fix: 29806833
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index 52f75f6..ee055f4 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -370,8 +370,14 @@
      */
     public static final int PROPERTY_HAS_CDMA_VOICE_PRIVACY = 1<<5;
 
+    /**
+     * Indicates that the connection represents a downgraded IMS conference.
+     * @hide
+     */
+    public static final int PROPERTY_IS_DOWNGRADED_CONFERENCE = 1<<6;
+
     //**********************************************************************************************
-    // Next PROPERTY value: 1<<6
+    // Next PROPERTY value: 1<<7
     //**********************************************************************************************
 
     /**