Generalize FEC unit tests and rename GenerateFec. (pt. 3)

webrtc/test/fuzzers/producer_fec_fuzzer.cc

Index: webrtc/test/fuzzers/producer_fec_fuzzer.cc
diff --git a/webrtc/test/fuzzers/producer_fec_fuzzer.cc b/webrtc/test/fuzzers/producer_fec_fuzzer.cc
index 50a5e5e5cd79dab5f0ea403b337e93a464f74b5e..bc035fa33dd7dfdf07da716390510327bde5b4fe 100644
--- a/webrtc/test/fuzzers/producer_fec_fuzzer.cc
+++ b/webrtc/test/fuzzers/producer_fec_fuzzer.cc
@@ -17,6 +17,12 @@
 
 namespace webrtc {
 
+namespace {
+constexpr uint8_t kFecPayloadType = 96;
+constexpr uint8_t kRedPayloadType = 97;
+}  // namespace
+
+
 void FuzzOneInput(const uint8_t* data, size_t size) {
   ProducerFec producer;
   size_t i = 0;