Allow conscrypt to depend on core.intra.stubs

conscrypt is built against an API surface we define
in libcore as core.intra.stubs. Therefore we need
an exception to the libcore dependency rules.

Bug: 113148576
Bug: 110404540
Test: make conscrypt
Change-Id: If36e05b2d8339741393752bd864bdb5d6c0f503e
diff --git a/android/neverallow.go b/android/neverallow.go
index ec440d5..a7f4f82 100644
--- a/android/neverallow.go
+++ b/android/neverallow.go
@@ -56,7 +56,7 @@
 		without("vendor", "true").
 		without("owner", "").
 		because("a VNDK module can never have an owner."),
-	neverallow().notIn("libcore", "development").with("no_standard_libs", "true"),
+	neverallow().notIn("libcore", "development", "external/conscrypt").with("no_standard_libs", "true"),
 
 	// TODO(b/67974785): always enforce the manifest
 	neverallow().