Query support for EME_CODEC_COMMON_VP9

The new VP9 profile 2 string format gets mapped to EME_CODEC_COMMON_VP9 in
key_systems.cc.

Bug: internal b/73148168
Bug: internal b/70520890
Test: Play secure vp9 profile 2 content
Change-Id: I32c0e319113db70e2bdfd2afc8e131e3470b3fe0
Reviewed-on: https://chromium-review.googlesource.com/940610Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Reviewed-by: Sergey Volk <servolk@chromium.org>
Commit-Queue: Sandeep Vijayasekar <sandv@chromium.org>
Cr-Commit-Position: refs/heads/master@{#539952}

components/cdm/browser/cdm_message_filter_android.cc

@@ -39,6 +39,8 @@ struct CodecInfo {
 const CodecInfo<media::VideoCodec> kVideoCodecsToQuery[] = {
     {media::EME_CODEC_WEBM_VP8, media::kCodecVP8, "video/webm"},
     {media::EME_CODEC_WEBM_VP9, media::kCodecVP9, "video/webm"},
+    {media::EME_CODEC_COMMON_VP9, media::kCodecVP9, "video/webm"},
+    {media::EME_CODEC_COMMON_VP9, media::kCodecVP9, "video/mp4"},
 #if BUILDFLAG(USE_PROPRIETARY_CODECS)
     {media::EME_CODEC_MP4_AVC1, media::kCodecH264, "video/mp4"},
 #if BUILDFLAG(ENABLE_HEVC_DEMUXING)