Add timezone to openstack log decoder config

Change-Id: Ie3775defb7e2c20f3d662bebb54b24fde20acb90
diff --git a/keystone/meta/heka.yml b/keystone/meta/heka.yml
index 4dfaa7b..2c7dfaa 100644
--- a/keystone/meta/heka.yml
+++ b/keystone/meta/heka.yml
@@ -4,6 +4,7 @@
       engine: sandbox
       module_file: /usr/share/lma_collector/decoders/openstack_log.lua
       module_dir: /usr/share/lma_collector/common;/usr/share/heka/lua_modules
+      adjust_timezone: true
   splitter:
     keystone:
       engine: token