Fix visibility rules preventing migration.

BUG: 167962976
Test: Local build (vendor/google/build/build_mainline_modules.sh)
Change-Id: I560a2aa086be1be1084cace2a56fa703824a67be
diff --git a/Tethering/tests/unit/Android.bp b/Tethering/tests/unit/Android.bp
index 45c7b65..637a6b6 100644
--- a/Tethering/tests/unit/Android.bp
+++ b/Tethering/tests/unit/Android.bp
@@ -31,7 +31,10 @@
         "framework-minus-apex",
         "framework-tethering.impl",
     ],
-    visibility: ["//cts/tests/tests/tethering"],
+    visibility: [
+        "//cts/tests/tests/tethering",
+        "//packages/modules/Connectivity/tests/cts/tethering",
+    ],
 }
 
 java_defaults {
@@ -77,7 +80,7 @@
     name: "TetheringTestsLib",
     defaults: ["TetheringTestsDefaults"],
     visibility: [
-        "//frameworks/base/packages/Tethering/tests/integration",
+        "//packages/modules/Connectivity/Tethering/tests/integration",
     ]
 }