Add se_versioned_policy module

se_versioned_policy module wraps version_sepolicy and generates mapping
files with Android.bp.

Bug: 33691272
Test: build
Change-Id: Iaba499db39b1214ef7b1f59c58232ec85d7c3bcb
diff --git a/build/soong/Android.bp b/build/soong/Android.bp
index 4e1d27a..aa6ad71 100644
--- a/build/soong/Android.bp
+++ b/build/soong/Android.bp
@@ -37,6 +37,7 @@
         "policy.go",
         "selinux.go",
         "selinux_contexts.go",
+        "versioned_policy.go",
     ],
     pluginFor: ["soong_build"],
 }