add apex_available for networkstack_client am: d95b328a95 am: 7f9a4ac257 am: d44bddfb66

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/1587575

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If00d8e8a9d8cedd40572c7db45dc95f8ab99231a
diff --git a/common/networkstackclient/Android.bp b/common/networkstackclient/Android.bp
index ccb6c88..e6cbff4 100644
--- a/common/networkstackclient/Android.bp
+++ b/common/networkstackclient/Android.bp
@@ -162,4 +162,8 @@
         "//frameworks/opt/net/wifi/service",
         "//packages/modules/NetworkStack",
     ],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.tethering",
+    ],
 }