Add OWNERS for VTS module VtsHalHealthStorageV1_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: I793d350f6ab1d38cb7d771b15b2d2ed0db76f0fd