Change depVisitor to use providers instead of type-asserting to
interfaces directly, the next step is to change it to use ModuleProxy
once IsDepInSameApex is ready.

Bug: 377723687
Test: Unit tests and compare the ninja and mk files generated.
Change-Id: I13a4e256a26dbf7f9b3b746d628ac8f68b4e598e
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index 7a3c21e..a09416d 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -41,6 +41,10 @@
 	ctx.RegisterModuleType("prebuilt_bootclasspath_fragment", prebuiltBootclasspathFragmentFactory)
 }
 
+type BootclasspathFragmentInfo struct{}
+
+var BootclasspathFragmentInfoProvider = blueprint.NewProvider[BootclasspathFragmentInfo]()
+
 // BootclasspathFragmentSdkMemberType is the member type used to add bootclasspath_fragments to
 // the SDK snapshot. It is exported for use by apex.
 var BootclasspathFragmentSdkMemberType = &bootclasspathFragmentMemberType{
@@ -557,6 +561,8 @@
 	if !ctx.IsFinalModule(ctx.Module()) {
 		b.HideFromMake()
 	}
+
+	android.SetProvider(ctx, BootclasspathFragmentInfoProvider, BootclasspathFragmentInfo{})
 }
 
 // getProfileProviderApex returns the name of the apex that provides a boot image profile, or an