Mount /var/crashes dir into analytics container

This directory is used by contrail-analytics-nodemgr service

Change-Id: I4b7631a5986491d0268330ffe9c9c2bd1bb23db8
Related-PROD: PROD-30480
(cherry picked from commit 3d1605df33fde9977b1f82a8e502aecd688ab9f4)
diff --git a/opencontrail/control/analytics4_0.yml b/opencontrail/control/analytics4_0.yml
index eb29ead..8c5e127 100644
--- a/opencontrail/control/analytics4_0.yml
+++ b/opencontrail/control/analytics4_0.yml
@@ -92,6 +92,7 @@
               volumes:
                 - /etc/contrail:/etc/contrail
                 - /etc/redis/redis.conf:/etc/redis/redis.conf
+                - /var/crashes:/var/crashes
                 - /var/log/contrail:/var/log/contrail
                 - /var/log/journal/contrail-analytics:/var/log/journal
               env_file: