Rename tethering jni and get the jni by its package name

tetherutiljni is renamed to com_android_networkstack_tethering_jni_util

Bug: 205088391
Test: atest TetheringTests
      atest CtsTetheringTest
      atest TetheringPrivilegedTests
Change-Id: Ifd1f4473625e33d3ebe190c9f8a2b5d54aa1ff49
diff --git a/tests/common/Android.bp b/tests/common/Android.bp
index c4c72c8..f47f6b0 100644
--- a/tests/common/Android.bp
+++ b/tests/common/Android.bp
@@ -89,7 +89,7 @@
         "libstaticjvmtiagent",
         // For NetworkStackUtils included in NetworkStackBase
         "libnetworkstackutilsjni",
-        "libtetherutilsjni",
+        "libcom_android_networkstack_tethering_util_jni",
         // For framework tests
         "libservice-connectivity",
     ],