Add missing dependency for some libs.

Fixed case where package root wasn't added in
some cases.

Test: package roots found
Change-Id: Iee011484084a17abe1c52e25b236c38f54325cfb
diff --git a/build/hidl_interface.go b/build/hidl_interface.go
index c444c80..40b3d17 100644
--- a/build/hidl_interface.go
+++ b/build/hidl_interface.go
@@ -188,7 +188,7 @@
 	}
 
 	dependencies, javaDependencies, _ := processDependencies(mctx, i.properties.Interfaces)
-	roots, _ := getRootList(mctx, dependencies)
+	roots, _ := getRootList(mctx, append(dependencies, name.string()))
 	cppDependencies, _ := removeCoreDependencies(mctx, dependencies)
 
 	if mctx.Failed() {