Backfill owner information for VTS module VtsHalKeymasterV3_0TargetTest.

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: Iba4f8145d1d525f262a3c0634a5bbf7d4e499059