Add text representation of ROUTE_TYPE_LIVE_VIDEO (for debugging)

Change-Id: Id8fa45aefde85e2ba2b57694b91485ef25e2e5f2
diff --git a/media/java/android/media/MediaRouter.java b/media/java/android/media/MediaRouter.java
index 82ed432..e08d494 100644
--- a/media/java/android/media/MediaRouter.java
+++ b/media/java/android/media/MediaRouter.java
@@ -239,6 +239,9 @@
         if ((types & ROUTE_TYPE_LIVE_AUDIO) != 0) {
             result.append("ROUTE_TYPE_LIVE_AUDIO ");
         }
+        if ((types & ROUTE_TYPE_LIVE_VIDEO) != 0) {
+            result.append("ROUTE_TYPE_LIVE_VIDEO ");
+        }
         if ((types & ROUTE_TYPE_USER) != 0) {
             result.append("ROUTE_TYPE_USER ");
         }