Improve clarity of arch decoding.

Test: CI
Change-Id: I31789f962259e917e99ac6f778644729199f42ed
diff --git a/android/config.go b/android/config.go
index 4a7e0d9..a8c089f 100644
--- a/android/config.go
+++ b/android/config.go
@@ -520,7 +520,7 @@
 	}
 
 	if archConfig != nil {
-		androidTargets, err := decodeArchSettings(Android, archConfig)
+		androidTargets, err := decodeAndroidArchSettings(archConfig)
 		if err != nil {
 			return Config{}, err
 		}