diff --git a/android/config.go b/android/config.go
index a0954b6..f046318 100644
--- a/android/config.go
+++ b/android/config.go
@@ -569,6 +569,10 @@
 	return Bool(c.productVariables.Unbundled_build)
 }
 
+func (c *config) UnbundledBuildPrebuiltSdks() bool {
+	return Bool(c.productVariables.Unbundled_build) && !Bool(c.productVariables.Unbundled_build_sdks_from_source)
+}
+
 func (c *config) IsPdkBuild() bool {
 	return Bool(c.productVariables.Pdk)
 }