Soong module for selinux files including board-specific directories.

se_filegroup is used to export selinux files from board-specific
directories (e.g. device/google/wahoo/sepolicy).

Use se_filegroup module to export partner extension of compatibility
mapping to build logic in system/sepolicy.

Bug: 33691272
Bug: 74669108
Test: .cil mapping files can be correctly added from vendor directory.
Change-Id: Iaa2a95d0e326cb03a478fc12c1a14ba40e57e117
diff --git a/build/soong/Android.bp b/build/soong/Android.bp
index 0f21be3..bcd33b3 100644
--- a/build/soong/Android.bp
+++ b/build/soong/Android.bp
@@ -16,10 +16,14 @@
     name: "soong-selinux",
     pkgPath: "android/soong/selinux",
     deps: [
+        "blueprint",
+        "soong",
         "soong-android",
+        "soong-genrule",
     ],
     srcs: [
         "cil_compat_map.go",
+        "filegroup.go"
     ],
     pluginFor: ["soong_build"],
 }