diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index 188875a..c27b072 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -483,6 +483,9 @@
 	inputApex android.Path
 
 	provenanceMetaDataFile android.OutputPath
+
+	// Single aconfig "cache file" merged from this module and all dependencies.
+	mergedAconfigFiles map[string]android.Paths
 }
 
 type ApexFileProperties struct {
@@ -837,6 +840,8 @@
 		p.installedFile = ctx.InstallFile(p.installDir, p.installFilename, p.inputApex, p.compatSymlinks...)
 		p.provenanceMetaDataFile = provenance.GenerateArtifactProvenanceMetaData(ctx, p.inputApex, p.installedFile)
 	}
+
+	android.CollectDependencyAconfigFiles(ctx, &p.mergedAconfigFiles)
 }
 
 func (p *Prebuilt) ProvenanceMetaDataFile() android.OutputPath {