Fix regression from ignoring breaks in video rtp sessions and add a flag to force a break when needed

src/include/switch_types.h

@@ -1339,6 +1339,7 @@ typedef enum {
 	CF_NOVIDEO,
 	CF_VIDEO_ECHO,
 	CF_SLA_INTERCEPT,
+	CF_VIDEO_BREAK,
 	/* WARNING: DO NOT ADD ANY FLAGS BELOW THIS LINE */
 	/* IF YOU ADD NEW ONES CHECK IF THEY SHOULD PERSIST OR ZERO THEM IN switch_core_session.c switch_core_session_request_xml() */
 	CF_FLAG_MAX