nn: Move CTS / VTS to behind 'test' flag

BUG=b:176675086
TEST=emerge-betty aosp-frameworks-ml-nn

Change-Id: I6ba90d5d85c00c7d06d2165071248ab31551e72b
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/frameworks/ml/+/2610242
Tested-by: Jim Pollock <jmpollock@chromium.org>
Auto-Submit: Jim Pollock <jmpollock@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/nn/BUILD.gn b/nn/BUILD.gn
index b39015b..2baacfb 100644
--- a/nn/BUILD.gn
+++ b/nn/BUILD.gn
@@ -9,8 +9,6 @@
     ":libneuralnetworks",
     ":driver_cache",
     ":vendor-nn-hal",
-    "chromeos/tests:vts",
-    "chromeos/tests:cts",
   ]
   if (use.test) {
     deps += [
@@ -19,6 +17,8 @@
       ":driver_cache_testrunner",
       ":runtime_testrunner",
       ":runtime_generated_testrunner",
+      "chromeos/tests:vts",
+      "chromeos/tests:cts",
     ]
   }
 }