Update mp4 vp9 test files to follow v1.0 spec

chrome/browser/media/encrypted_media_browsertest.cc

Index: chrome/browser/media/encrypted_media_browsertest.cc
diff --git a/chrome/browser/media/encrypted_media_browsertest.cc b/chrome/browser/media/encrypted_media_browsertest.cc
index 0ae729c81b14b7294de714bd10877ce3255a3a61..3406ec30fedf98856f5b4ee861fe0511d02a3794 100644
--- a/chrome/browser/media/encrypted_media_browsertest.cc
+++ b/chrome/browser/media/encrypted_media_browsertest.cc
@@ -83,12 +83,8 @@ const char kWebMVP9VideoOnly[] = "video/webm; codecs=\"vp9\"";
 #if BUILDFLAG(USE_PROPRIETARY_CODECS)
 const char kMP4AudioOnly[] = "audio/mp4; codecs=\"mp4a.40.2\"";
 const char kMP4VideoOnly[] = "video/mp4; codecs=\"avc1.4D000C\"";
-
-// NOTE: This string originally signalled the SMPTEST2084 EOTF, but is now
-// signalling BT709. At this time 2084 is only allowed when run with
-// --enable-hdr, and thats not really the focus of this test.
-// TODO(kqyang): update content to not use HDR transfer.
-const char kMP4VideoVp9Only[] = "video/mp4; codecs=\"vp09.00.10.08.01.01.01\"";
+const char kMP4VideoVp9Only[] =
+    "video/mp4; codecs=\"vp09.00.10.08.01.02.02.02.00\"";
 #endif  // BUILDFLAG(USE_PROPRIETARY_CODECS)
 
 // Sessions to load.