Enable EthernetServiceTests in presubmit

Test: run presubmit
Bug: 213863997
Change-Id: I6736198539a37d538d5d53d64c16abe572bf3982
diff --git a/tests/ethernet/Android.bp b/tests/ethernet/Android.bp
index 93a8f6c..28b13c5 100644
--- a/tests/ethernet/Android.bp
+++ b/tests/ethernet/Android.bp
@@ -40,4 +40,5 @@
         "services.core",
         "services.net",
     ],
+    test_suites: ["general-tests"],
 }