Rename vts-core to vts Bug: 151896491 Test: m -j vts Change-Id: I793c88b4b28909d59f44ecfb8466673c799b9702 Merged-In: Ic62d47ccb1de83b79048154538163e9bc017156e Merged-In: Ib39db27f3e5c7bf56db571f0d651ffd3b59853a2 Merged-In: Ifbdf05c4898723d5aea3daae21bdd5ee5620b7dc