Pass through video state when answering a call.

Bug: 16013878
Bug: 16015750
Change-Id: I26af541c30cc296bb3b3f85c06a2e097d0b58547
diff --git a/src/com/android/telecomm/TelecommServiceImpl.java b/src/com/android/telecomm/TelecommServiceImpl.java
index d848029..f93a7a7 100644
--- a/src/com/android/telecomm/TelecommServiceImpl.java
+++ b/src/com/android/telecomm/TelecommServiceImpl.java
@@ -298,7 +298,7 @@
     private void acceptRingingCallInternal() {
         Call call = mCallsManager.getFirstCallWithState(CallState.RINGING);
         if (call != null) {
-            call.answer();
+            call.answer(call.getVideoState());
         }
     }