[automerger skipped] Merge "Rename vts-core to vts" am: 552990ed42 -s ours

am skip reason: Change-Id I562b4dc50765e953800a814a8fd84a01c1b9352b with SHA-1 ba894f81db is in history

Change-Id: Ifc140a304781a51d701e084810828fd82a931f73