Backfill VTS owner information.

Backfill owner information for VTS module VtsHalAudioControlV2_0TargetTest.

Each VTS module is required to have an 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: I12d40e94e6eb5f8b8731a4a7bce66ec78259742d