diff --git a/android/config.go b/android/config.go
index f95010e..9f63d1b 100644
--- a/android/config.go
+++ b/android/config.go
@@ -1932,6 +1932,10 @@
 	return c.config.productVariables.RequiresInsecureExecmemForSwiftshader
 }
 
+func (c *deviceConfig) Release_aidl_use_unfrozen() bool {
+	return Bool(c.config.productVariables.Release_aidl_use_unfrozen)
+}
+
 func (c *config) SelinuxIgnoreNeverallows() bool {
 	return c.productVariables.SelinuxIgnoreNeverallows
 }
diff --git a/android/variable.go b/android/variable.go
index f5dddaf..5cfbc48 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -180,6 +180,13 @@
 			Srcs         []string `android:"arch_variant"`
 			Exclude_srcs []string `android:"arch_variant"`
 		} `android:"arch_variant"`
+
+		// release_aidl_use_unfrozen is "true" when a device can
+		// use the unfrozen versions of AIDL interfaces.
+		Release_aidl_use_unfrozen struct {
+			Cflags []string
+			Cmd    *string
+		}
 	} `android:"arch_variant"`
 }
 
@@ -457,6 +464,8 @@
 
 	SelinuxIgnoreNeverallows bool `json:",omitempty"`
 
+	Release_aidl_use_unfrozen *bool `json:",omitempty"`
+
 	SepolicyFreezeTestExtraDirs         []string `json:",omitempty"`
 	SepolicyFreezeTestExtraPrebuiltDirs []string `json:",omitempty"`