Improve loggging to debug invalid acks. No functional change.

net/quic/quic_connection.cc

Index: net/quic/quic_connection.cc
diff --git a/net/quic/quic_connection.cc b/net/quic/quic_connection.cc
index 43442265e560d8f8decf11503f35227231aeada3..2f4029ea9053b00533c24756c01653eecdf959e2 100644
--- a/net/quic/quic_connection.cc
+++ b/net/quic/quic_connection.cc
@@ -828,7 +828,9 @@ const char* QuicConnection::ValidateAckFrame(const QuicAckFrame& incoming_ack) {
   if (!sent_entropy_manager_.IsValidEntropy(incoming_ack.largest_observed,
                                             incoming_ack.missing_packets,
                                             incoming_ack.entropy_hash)) {
-    LOG(WARNING) << ENDPOINT << "Peer sent invalid entropy.";
+    LOG(WARNING) << ENDPOINT << "Peer sent invalid entropy."
+                 << " largest_observed:" << incoming_ack.largest_observed
+                 << " last_received:" << last_header_.packet_number;
     return "Invalid entropy";
   }
 
@@ -836,7 +838,8 @@ const char* QuicConnection::ValidateAckFrame(const QuicAckFrame& incoming_ack) {
       !incoming_ack.missing_packets.Contains(
           incoming_ack.latest_revived_packet)) {
     LOG(WARNING) << ENDPOINT
-                 << "Peer specified revived packet which was not missing.";
+                 << "Peer specified revived packet which was not missing."
+                 << " revived_packet:" << incoming_ack.latest_revived_packet;
     return "Invalid revived packet";
   }
   return nullptr;