Disable flaky BbrSenderTest.SimpleTransfer2RTTAggregationBytes

This test is flaky in Chromium: https://crbug.com/1042575

PiperOrigin-RevId: 290253533
Change-Id: I0186204376657b03ab2a1d35083a95afdae3ef3d

quic/core/congestion_control/bbr_sender_test.cc

diff --git a/quic/core/congestion_control/bbr_sender_test.cc b/quic/core/congestion_control/bbr_sender_test.cc
index 78d71a9..5fe727e 100644
--- a/quic/core/congestion_control/bbr_sender_test.cc
+++ b/quic/core/congestion_control/bbr_sender_test.cc
@@ -427,7 +427,9 @@
 }
 
 // Test a simple long data transfer with 2 rtts of aggregation.
-TEST_F(BbrSenderTest, SimpleTransfer2RTTAggregationBytes) {
+// Flaky in Chromium: https://crbug.com/1042575
+TEST_F(BbrSenderTest,
+       QUIC_TEST_DISABLED_IN_CHROME(SimpleTransfer2RTTAggregationBytes)) {
   CreateDefaultSetup();
   // 2 RTTs of aggregation, with a max of 10kb.
   EnableAggregation(10 * 1024, 2 * kTestRtt);