Rename vts-core to vts

Bug: 151896491
Test: presubmit check
Exempt-From-Owner-Approval: This CL renames suite name vts-core to vts.
It won't change test logic or behavior.

Change-Id: I928c6b24ef295f7d8de129ee7c686e4408b1b235
diff --git a/transport/base/1.0/vts/functional/Android.bp b/transport/base/1.0/vts/functional/Android.bp
index 68588c9..0c814ae 100644
--- a/transport/base/1.0/vts/functional/Android.bp
+++ b/transport/base/1.0/vts/functional/Android.bp
@@ -35,7 +35,7 @@
     ],
     test_suites: [
         "general-tests",
-        "vts-core",
+        "vts",
     ],
     require_root: true,
     auto_gen_config: true,