IMS-VT: Upgrade/Downgrade change

-Add isVideo API to VideoProfile.VideoState

Change-Id: I0b0b5cc9f59102767dc6947528838b38f18ee38e
diff --git a/telecomm/java/android/telecom/VideoProfile.java b/telecomm/java/android/telecom/VideoProfile.java
index f5cb054..3a4fc3c 100644
--- a/telecomm/java/android/telecom/VideoProfile.java
+++ b/telecomm/java/android/telecom/VideoProfile.java
@@ -181,6 +181,16 @@
         }
 
         /**
+         * Whether the video state is any of the video type
+         * @param videoState The video state.
+         * @return Returns true if the video state TX or RX or Bidirectional
+         */
+        public static boolean isVideo(int videoState) {
+            return hasState(videoState, TX_ENABLED) || hasState(videoState, RX_ENABLED)
+                    || hasState(videoState, BIDIRECTIONAL);
+        }
+
+        /**
          * Whether the video transmission is enabled.
          * @param videoState The video state.
          * @return Returns true if the video transmission is enabled.