adl: move allow/deny list function to plugin

Provide binary API compatibility support for the "cop" APIs until vpp
21.01.

Change the deprecation date in map.api to vpp 21.01.

Type: refactor
Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I0e60d96de4ae9ae4448f134cf257934126f3b760
diff --git a/MAINTAINERS b/MAINTAINERS
index b8ddb66..017557b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -190,11 +190,6 @@
 M:	Neale Ranns <nranns@cisco.com>
 F:	src/vnet/crypto/
 
-VNET COP
-I:	cop
-M:	Dave Barach <dave@barachs.net>
-F:	src/vnet/cop/
-
 VNET TEIB
 I:	teib
 M:	Neale Ranns <nranns@cisco.com>
@@ -363,6 +358,11 @@
 M:	Neale Ranns <nranns@cisco.com>
 F:	src/plugins/abf/
 
+Plugin - Allow / Deny List
+I:	adl
+M:	Dave Barach <dave@barachs.net>
+F:	src/plugins/adl/
+
 Plugin - Simple DNS name resolver
 I:	dns
 M:	Dave Barach <dave@barachs.net>