[vts-core] Set auto_gen_config=true for vts_ibase_test

vts_ibase_test require to set auto_gen_config=true for vts-core
suite since there is an AndroidTest.xml in its folder.

Bug: 132702215
Test: atest vts_ibase_test
Change-Id: I45be934524a722d04610714b21db20d53ef224d2
diff --git a/transport/base/1.0/vts/functional/Android.bp b/transport/base/1.0/vts/functional/Android.bp
index 5a7b227..8d14186 100644
--- a/transport/base/1.0/vts/functional/Android.bp
+++ b/transport/base/1.0/vts/functional/Android.bp
@@ -36,4 +36,5 @@
         "vts-core",
     ],
     require_root: true,
+    auto_gen_config: true,
 }