Add static library visibility of libcrypto for DnsResolver test

Bug: 144850003
Test: atest
      manual test in Q + M4 resolv module

Change-Id: Ie88b95995adc4e285142cfcb00a4d02ae708771c
diff --git a/Android.bp b/Android.bp
index 496d50f..465ad42 100644
--- a/Android.bp
+++ b/Android.bp
@@ -186,6 +186,7 @@
         "//hardware/interfaces/drm/1.2/vts/functional",
         "//hardware/interfaces/keymaster/3.0/vts/functional",
         "//hardware/interfaces/keymaster/4.0/vts/functional",
+        "//packages/modules/DnsResolver/tests:__subpackages__",
         "//system/core/adb",
         "//system/core/init",
         "//system/core/fs_mgr/liblp",