Add OWNERS for VTS module VtsHalDrmV1_1Target

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: Ib1a5133a1681f648fe196cbe73644e252118cad8