Update video histograms that do not have a minimum lifetime limit before being recorded.

webrtc/modules/rtp_rtcp/include/ulpfec_receiver.h

Index: webrtc/modules/rtp_rtcp/include/ulpfec_receiver.h
diff --git a/webrtc/modules/rtp_rtcp/include/ulpfec_receiver.h b/webrtc/modules/rtp_rtcp/include/ulpfec_receiver.h
index fbb4b4c99c21a1e15347720ab134e136bd6130a3..af416f946925472c26b730732b169f85388ac922 100644
--- a/webrtc/modules/rtp_rtcp/include/ulpfec_receiver.h
+++ b/webrtc/modules/rtp_rtcp/include/ulpfec_receiver.h
@@ -18,11 +18,15 @@ namespace webrtc {
 
 struct FecPacketCounter {
   FecPacketCounter()
-      : num_packets(0), num_fec_packets(0), num_recovered_packets(0) {}
+      : num_packets(0),
+        num_fec_packets(0),
+        num_recovered_packets(0),
+        first_packet_time_ms(-1) {}
 
   size_t num_packets;            // Number of received packets.
   size_t num_fec_packets;        // Number of received FEC packets.
   size_t num_recovered_packets;  // Number of recovered media packets using FEC.
+  int64_t first_packet_time_ms;  // Time when first packet is received.
 };
 
 class UlpfecReceiver {