Disable possibly flaky AudioCodingModuleTest.TestPacketLossStereo for Linux.

webrtc/p2p/base/stunport_unittest.cc

Index: webrtc/p2p/base/stunport_unittest.cc
diff --git a/webrtc/p2p/base/stunport_unittest.cc b/webrtc/p2p/base/stunport_unittest.cc
index f8903d3a2fd2f60e1ef396681fc5094059f67478..52bb3e84a848dee81531609247941d09f390d705 100644
--- a/webrtc/p2p/base/stunport_unittest.cc
+++ b/webrtc/p2p/base/stunport_unittest.cc
@@ -218,7 +218,13 @@ TEST_F(StunPortTest, TestPrepareAddressFail) {
 }
 
 // Test that we can get an address from a STUN server specified by a hostname.
-TEST_F(StunPortTest, TestPrepareAddressHostname) {
+// Crashes on Linux, see webrtc:7416
+#if defined(WEBRTC_LINUX)
+#define MAYBE_TestPrepareAddressHostname DISABLED_TestPrepareAddressHostname
+#else
+#define MAYBE_TestPrepareAddressHostname TestPrepareAddressHostname
+#endif
+TEST_F(StunPortTest, MAYBE_TestPrepareAddressHostname) {
   CreateStunPort(kStunHostnameAddr);
   PrepareAddress();
   EXPECT_TRUE_SIMULATED_WAIT(done(), kTimeoutMs, fake_clock);