daemon: do not poll video RTCP stream

Due to RTCP workaround introduced in 11786a10,
the RTCP socket should not be polled.

Refs #46625

Change-Id: I16027a7d312baabb4b7c8af9f38406355f67031e

daemon/src/video/socket_pair.cpp

@@ -231,7 +231,8 @@ int SocketPair::readCallback(void *opaque, uint8_t *buf, int buf_size)
         }
 
         /* build fdset to listen to RTP and RTCP packets */
-        n = poll(p, 2, NET_POLL_TIMEOUT);
+        // FIXME:WORKAROUND: reduce to RTP handle until RTCP is fixed
+        n = poll(p, 1, NET_POLL_TIMEOUT);
         if (n > 0) {
 // FIXME:WORKAROUND: prevent excessive packet loss
 #if 0