Reorganize Android.bp files and modules

Test: build and boot
Change-Id: Id8a1a2faecf37de81b91e2669f6afa4cbe91443c
diff --git a/mac_permissions/Android.bp b/mac_permissions/Android.bp
index 02b3587..3a35814 100644
--- a/mac_permissions/Android.bp
+++ b/mac_permissions/Android.bp
@@ -14,6 +14,16 @@
 
 // This file contains module definitions for mac_permissions.xml files.
 
+se_build_files {
+    name: "keys.conf",
+    srcs: ["keys.conf"],
+}
+
+se_build_files {
+    name: "mac_permissions.xml",
+    srcs: ["mac_permissions.xml"],
+}
+
 mac_permissions {
     name: "plat_mac_permissions.xml",
     keys: [