Disable possibly flaky AudioCodingModuleTest.TestPacketLossStereo for Linux.

It failed after unrelated https://codereview.webrtc.org/2752233002.

TBR=tommi@webrtc.org
NOTRY=true
BUG=webrtc:7416

Review-Url: https://codereview.webrtc.org/2779913002
Cr-Commit-Position: refs/heads/master@{#17412}
diff --git a/webrtc/p2p/base/stunport_unittest.cc b/webrtc/p2p/base/stunport_unittest.cc
index f8903d3..52bb3e8 100644
--- a/webrtc/p2p/base/stunport_unittest.cc
+++ b/webrtc/p2p/base/stunport_unittest.cc
@@ -218,7 +218,13 @@
 }
 
 // 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);