Add PrebuiltNameFromSource

Bug: 177892522
Test: m nothing
Change-Id: I45274836d59adbd6b2a2a848705b189398f1e766
diff --git a/java/system_modules.go b/java/system_modules.go
index 8c69051..320a2bb 100644
--- a/java/system_modules.go
+++ b/java/system_modules.go
@@ -236,7 +236,7 @@
 // modules.
 func (system *systemModulesImport) ComponentDepsMutator(ctx android.BottomUpMutatorContext) {
 	for _, lib := range system.properties.Libs {
-		ctx.AddVariationDependencies(nil, systemModulesLibsTag, "prebuilt_"+lib)
+		ctx.AddVariationDependencies(nil, systemModulesLibsTag, android.PrebuiltNameFromSource(lib))
 	}
 }