Support sandboxing genrule

Bug: 281067655
Test: local build
Change-Id: I123b5e51eaf1476d1215e5208331b6540d45fd98
diff --git a/genrule/Android.bp b/genrule/Android.bp
index 8fb5c40..b201cae 100644
--- a/genrule/Android.bp
+++ b/genrule/Android.bp
@@ -15,6 +15,7 @@
         "soong-shared",
     ],
     srcs: [
+        "allowlists.go",
         "genrule.go",
         "locations.go",
     ],