Add vts test for media_codecs.xsd and media_profiles.xsd

The VtsValidateMediaCodecs and VtsValidateMediaProfiles tests are
added for checking xsd schema validation.

Bug: 128380795
Test: vts-tradefed run vts -m VtsValidateMediaCodecs
Test: vts-tradefed run vts -m VtsValidateMediaProfiles
Change-Id: I300d6c76b39f9087ec562171230310e02e135155
8 files changed