Fix audio/video sync when FEC is enabled.

Also improves the tests by adding a test case for FEC, and running the a/v sync
tests with NACK and simulated packet loss.

BUG=crbug/374104
R=mflodman@webrtc.org, pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/19209004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@7053 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/test/call_test.cc b/test/call_test.cc
index e29b8de..ccad755 100644
--- a/test/call_test.cc
+++ b/test/call_test.cc
@@ -159,6 +159,8 @@
 const uint8_t CallTest::kSendPayloadType = 100;
 const uint8_t CallTest::kFakeSendPayloadType = 125;
 const uint8_t CallTest::kSendRtxPayloadType = 98;
+const uint8_t CallTest::kRedPayloadType = 118;
+const uint8_t CallTest::kUlpfecPayloadType = 119;
 const uint32_t CallTest::kSendRtxSsrcs[kNumSsrcs] = {0xBADCAFD, 0xBADCAFE,
                                                      0xBADCAFF};
 const uint32_t CallTest::kSendSsrcs[kNumSsrcs] = {0xC0FFED, 0xC0FFEE, 0xC0FFEF};