Simplify vendor conditionals

Support vendor conditionals with no Go code.

Test: TestSoongConfigModule
Change-Id: I42546e7f17324921ada80f4d8e1cd399830f8dfc
diff --git a/android/variable_test.go b/android/variable_test.go
index 451d43d..751677f 100644
--- a/android/variable_test.go
+++ b/android/variable_test.go
@@ -148,7 +148,7 @@
 		clonedProps := proptools.CloneProperties(reflect.ValueOf(props)).Interface()
 		m.AddProperties(clonedProps)
 
-		// Set a default variableProperties, this will be used as the input to the property struct filter
+		// Set a default soongConfigVariableProperties, this will be used as the input to the property struct filter
 		// for this test module.
 		m.variableProperties = testProductVariableProperties
 		InitAndroidModule(m)