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: I928c6b24ef295f7d8de129ee7c686e4408b1b235
Merged-In: I928c6b24ef295f7d8de129ee7c686e4408b1b235
1 file changed