gfe-relnote: Allow GFE to perform initial cwnd up and down experiment. Protected by --gfe2_reloadable_flag_quic_gfe_selected_initial_cwnd_experiments.

The minimum cwnd is 10, and the default enabled up and down experiment is 25%.

PiperOrigin-RevId: 248124804
Change-Id: Ie21685f8e35946eaa499dab935b154b928af7318
diff --git a/quic/test_tools/quic_test_utils.h b/quic/test_tools/quic_test_utils.h
index 643291e..f64ddbd 100644
--- a/quic/test_tools/quic_test_utils.h
+++ b/quic/test_tools/quic_test_utils.h
@@ -917,7 +917,8 @@
   MOCK_CONST_METHOD0(ShouldSendProbingPacket, bool());
   MOCK_CONST_METHOD0(GetSlowStartThreshold, QuicByteCount());
   MOCK_CONST_METHOD0(GetCongestionControlType, CongestionControlType());
-  MOCK_METHOD2(AdjustNetworkParameters, void(QuicBandwidth, QuicTime::Delta));
+  MOCK_METHOD3(AdjustNetworkParameters,
+               void(QuicBandwidth, QuicTime::Delta, bool));
   MOCK_METHOD1(OnApplicationLimited, void(QuicByteCount));
 };