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
diff --git a/tests/Android.bp b/tests/Android.bp
index 6718eb9..034209f 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -44,7 +44,7 @@
     defaults: ["gsi_boot_defaults"],
     test_suites: [
         "general-tests",
-        "vts-core",
+        "vts",
     ],
     auto_gen_config: true,
     test_min_api_level: 29,