Convert WalkPayloadDeps from blueprint.Module to android.Module

All modules in Soong are now android.Module, there is no need to
use blueprint.Module.

Test: builds
Change-Id: I859cd6360732e3d195a634736ec515d240323f29
diff --git a/android/apex.go b/android/apex.go
index 49db608..f625baf 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -764,7 +764,7 @@
 // Function called while walking an APEX's payload dependencies.
 //
 // Return true if the `to` module should be visited, false otherwise.
-type PayloadDepsCallback func(ctx BaseModuleContext, from blueprint.Module, to ApexModule, externalDep bool) bool
+type PayloadDepsCallback func(ctx BaseModuleContext, from Module, to ApexModule, externalDep bool) bool
 type WalkPayloadDepsFunc func(ctx BaseModuleContext, do PayloadDepsCallback)
 
 // ModuleWithMinSdkVersionCheck represents a module that implements min_sdk_version checks
@@ -792,7 +792,7 @@
 		return
 	}
 
-	walk(ctx, func(ctx BaseModuleContext, from blueprint.Module, to ApexModule, externalDep bool) bool {
+	walk(ctx, func(ctx BaseModuleContext, from Module, to ApexModule, externalDep bool) bool {
 		if externalDep {
 			// external deps are outside the payload boundary, which is "stable"
 			// interface. We don't have to check min_sdk_version for external