Update with new default boringssl no-aes cipher suites and re-enable many tests.

talk/app/webrtc/peerconnection_unittest.cc

Index: talk/app/webrtc/peerconnection_unittest.cc
diff --git a/talk/app/webrtc/peerconnection_unittest.cc b/talk/app/webrtc/peerconnection_unittest.cc
index 8d0793e25f83f90e85f848e7277725490c707824..cf53c44f11cc246a989c4d01d28b20266eec7731 100644
--- a/talk/app/webrtc/peerconnection_unittest.cc
+++ b/talk/app/webrtc/peerconnection_unittest.cc
@@ -1485,15 +1485,8 @@ TEST_F(P2PTestConductor, GetDtls12None) {
                                           kDefaultSrtpCryptoSuite));
 }
 
-#if defined(MEMORY_SANITIZER)
-// Fails under MemorySanitizer:
-// See https://code.google.com/p/webrtc/issues/detail?id=5381.
-#define MAYBE_GetDtls12Both DISABLED_GetDtls12Both
-#else
-#define MAYBE_GetDtls12Both GetDtls12Both
-#endif
 // Test that DTLS 1.2 is used if both ends support it.
-TEST_F(P2PTestConductor, MAYBE_GetDtls12Both) {
+TEST_F(P2PTestConductor, GetDtls12Both) {
   PeerConnectionFactory::Options init_options;
   init_options.ssl_max_version = rtc::SSL_PROTOCOL_DTLS_12;
   PeerConnectionFactory::Options recv_options;