Add timezone to openstack log decoder config

Change-Id: Id1245c7dbb28d7a3b575ffaa9b6790f6dcb72382
diff --git a/heat/meta/heka.yml b/heat/meta/heka.yml
index 592ce2d..56cc4d0 100644
--- a/heat/meta/heka.yml
+++ b/heat/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:
     heat:
       engine: token