Add VP8 and H264 depacketizer fuzzers.

webrtc/test/fuzzers/vp8_depacketizer_fuzzer.cc

Index: webrtc/test/fuzzers/vp8_depacketizer_fuzzer.cc
diff --git a/webrtc/test/fuzzers/vp9_depacketizer_fuzzer.cc b/webrtc/test/fuzzers/vp8_depacketizer_fuzzer.cc
similarity index 86%
copy from webrtc/test/fuzzers/vp9_depacketizer_fuzzer.cc
copy to webrtc/test/fuzzers/vp8_depacketizer_fuzzer.cc
index 02a7cc0f813be76e831375a1755451a3a9e63664..d0483724566540c2701c459acdad29bfe02e0ae1 100644
--- a/webrtc/test/fuzzers/vp9_depacketizer_fuzzer.cc
+++ b/webrtc/test/fuzzers/vp8_depacketizer_fuzzer.cc
@@ -7,11 +7,11 @@
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
-#include "webrtc/modules/rtp_rtcp/source/rtp_format_vp9.h"
+#include "webrtc/modules/rtp_rtcp/source/rtp_format_vp8.h"
 
 namespace webrtc {
 void FuzzOneInput(const uint8_t* data, size_t size) {
-  RtpDepacketizerVp9 depacketizer;
+  RtpDepacketizerVp8 depacketizer;
   RtpDepacketizer::ParsedPayload parsed_payload;
   depacketizer.Parse(&parsed_payload, data, size);
 }