Add OWNERS for VTS module vts_mediaProfiles_validate_test

Each VTS module is required to have OWNERS file. The ownership is based on
go/vts-owners. For more information about ownership policy, please visit
go/xts-owners-policy.

Test: Tree Hugger
Bug: 143903671
Change-Id: I1499dd0ed0a915648e7ac0786599afb30fbc8d00