diff --git a/android/variable.go b/android/variable.go
index af414cb..4cd5313 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -62,6 +62,11 @@
 			Cflags []string
 		}
 
+		// Product_is_iot is true for Android Things devices.
+		Product_is_iot struct {
+			Cflags []string
+		}
+
 		// treble_linker_namespaces is true when the system/vendor linker namespace separation is
 		// enabled.
 		Treble_linker_namespaces struct {
@@ -201,6 +206,8 @@
 
 	Override_rs_driver *string `json:",omitempty"`
 
+	Product_is_iot *bool `json:",omitempty"`
+
 	DeviceKernelHeaders []string `json:",omitempty"`
 	DistDir             *string  `json:",omitempty"`