Hmm, contrary to Deckard's assurances, this broke internally. Reverting.

Change-Id: I0d7892cd619e742fb5d6b1bda6d0dba7d6cd47bf
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index 131d0bc..0830101 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -69,8 +69,7 @@
     file_contexts \
     seapp_contexts \
     property_contexts \
-    mac_permissions.xml \
-    sepolicy_revision
+    mac_permissions.xml
 
 PRODUCT_COPY_FILES += \
     system/core/rootdir/init.usb.rc:root/init.usb.rc \