Surface receive_timestamp to QuicStream::OnStreamFrameAcked.

In order to surface to the application when a message (video frame in our case)
is received on the client--for logging and for online phase adjustment.

gfe-relnote: n/a (noop change)
PiperOrigin-RevId: 295743926
Change-Id: Icff772ef85cd7de4c4b758850456701c72b07897
diff --git a/quic/core/http/quic_headers_stream.h b/quic/core/http/quic_headers_stream.h
index c54ce95..e97a78d 100644
--- a/quic/core/http/quic_headers_stream.h
+++ b/quic/core/http/quic_headers_stream.h
@@ -43,6 +43,7 @@
                           QuicByteCount data_length,
                           bool fin_acked,
                           QuicTime::Delta ack_delay_time,
+                          QuicTime receive_timestamp,
                           QuicByteCount* newly_acked_length) override;
 
   void OnStreamFrameRetransmitted(QuicStreamOffset offset,