Rename vts-core to vts

Bug: 151896491
Test: local build
Exempt-From-Owner-Approval: This CL moves all tests in vts-core to vts.
It won't change test logic or behavior.

Change-Id: Ibd100479a4d9795a81af30669bdccf5858051b55
Merged-In: Ibd100479a4d9795a81af30669bdccf5858051b55
1 file changed