Add NetworkStackTests dependency on libdl_android

This fixes tests that were failing because of the unsatisfied
dependency.

Test: atest NetworkStackTests
Bug: 129387775
Change-Id: Ie0c1bc2b292ad7172d144d9e7ad9edeecd2232b7
(cherry picked from commit 329c4dadbe92deae9741010bf3e31eb7d70ba899)
diff --git a/tests/Android.bp b/tests/Android.bp
index 424cd1f..fe3c1e8 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -46,6 +46,8 @@
         "libcrypto",
         "libcutils",
         "libdexfile",
+        "ld-android",
+        "libdl_android",
         "libhidl-gen-utils",
         "libhidlbase",
         "libhidltransport",