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/quic_stream.cc b/quic/core/quic_stream.cc
index a59bfe5..fee630b 100644
--- a/quic/core/quic_stream.cc
+++ b/quic/core/quic_stream.cc
@@ -857,6 +857,7 @@
                                     QuicByteCount data_length,
                                     bool fin_acked,
                                     QuicTime::Delta /*ack_delay_time*/,
+                                    QuicTime /*receive_timestamp*/,
                                     QuicByteCount* newly_acked_length) {
   QUIC_DVLOG(1) << ENDPOINT << "stream " << id_ << " Acking "
                 << "[" << offset << ", " << offset + data_length << "]"