Revert^2 "Introduce derive_classpath."

5fd85de907f9c22ab7a540b5b3dda156962c18bc

Bug: 180105615
Test: manual boot of cuttlefish and gphone emulator
Change-Id: I9e43268d3b745e65b5ccc0a4896a7e55a253659d
diff --git a/private/file_contexts b/private/file_contexts
index f8bb5ec..1347797 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -504,6 +504,7 @@
 #
 /data		u:object_r:system_data_root_file:s0
 /data/(.*)?		u:object_r:system_data_file:s0
+/data/system/environ(/.*)? u:object_r:environ_system_data_file:s0
 /data/system/packages\.list u:object_r:packages_list_file:s0
 /data/unencrypted(/.*)?         u:object_r:unencrypted_data_file:s0
 /data/backup(/.*)?		u:object_r:backup_data_file:s0