diff --git a/android/config.go b/android/config.go
index 6dc8efe..24fc522 100644
--- a/android/config.go
+++ b/android/config.go
@@ -1661,6 +1661,16 @@
 	return paths
 }
 
+// BuildPathsByModule returns a map from module name to build paths based on the given directory
+// prefix.
+func (l *ConfiguredJarList) BuildPathsByModule(ctx PathContext, dir OutputPath) map[string]WritablePath {
+	paths := map[string]WritablePath{}
+	for _, jar := range l.jars {
+		paths[jar] = dir.Join(ctx, ModuleStem(jar)+".jar")
+	}
+	return paths
+}
+
 // UnmarshalJSON converts JSON configuration from raw bytes into a
 // ConfiguredJarList structure.
 func (l *ConfiguredJarList) UnmarshalJSON(b []byte) error {