Disallow linking against updatable-media.

Test: make
Bug: 123253805
Change-Id: I93a86bd8210cf72dbcaa8f7dde96c72acd660934
diff --git a/android/neverallow.go b/android/neverallow.go
index 18744e8..9881b4d 100644
--- a/android/neverallow.go
+++ b/android/neverallow.go
@@ -51,6 +51,7 @@
 	rules := []*rule{}
 	rules = append(rules, createTrebleRules()...)
 	rules = append(rules, createLibcoreRules()...)
+	rules = append(rules, createMediaRules()...)
 	return rules
 }
 
@@ -125,6 +126,14 @@
 	return rules
 }
 
+func createMediaRules() []*rule {
+	return []*rule{
+		neverallow().
+			with("libs", "updatable-media").
+			because("updatable-media includes private APIs. Use updatable_media_stubs instead."),
+	}
+}
+
 func neverallowMutator(ctx BottomUpMutatorContext) {
 	m, ok := ctx.Module().(Module)
 	if !ok {