Convert java.Dependency to JavaInfo provider

Export information about java dependencies through a Provider
instead of accessing the module directly.

Test: java_test.go
Test: no changes to build.ninja
Change-Id: Ifc5d566bf6f6ebc0ad399e948effaa1ef6a22876
diff --git a/java/hiddenapi_singleton.go b/java/hiddenapi_singleton.go
index 568d15f..6341a34 100644
--- a/java/hiddenapi_singleton.go
+++ b/java/hiddenapi_singleton.go
@@ -223,7 +223,7 @@
 
 	ctx.VisitAllModules(func(module android.Module) {
 		// Collect dex jar paths for the modules listed above.
-		if j, ok := module.(Dependency); ok {
+		if j, ok := module.(UsesLibraryDependency); ok {
 			name := ctx.ModuleName(module)
 			for moduleList, pathList := range moduleListToPathList {
 				if i := android.IndexList(name, *moduleList); i != -1 {