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: I79cddf5e4a65486b8f1286ea430360479ad2b93d
diff --git a/tests/ApkVerityTest/Android.bp b/tests/ApkVerityTest/Android.bp
index 2482068..02c75ed 100644
--- a/tests/ApkVerityTest/Android.bp
+++ b/tests/ApkVerityTest/Android.bp
@@ -16,7 +16,7 @@
     name: "ApkVerityTest",
     srcs: ["src/**/*.java"],
     libs: ["tradefed", "compatibility-tradefed", "compatibility-host-util"],
-    test_suites: ["general-tests", "vts-core"],
+    test_suites: ["general-tests", "vts"],
     target_required: [
         "block_device_writer_module",
     ],