CORD-3012 Upgrade to grpc 1.12.0

Change-Id: I375f79d6529b97d5e5ec9a7c624c4dce6f024df2
diff --git a/containers/xos/pip_requested.txt b/containers/xos/pip_requested.txt
index 7dbed2f..6adb9dc 100644
--- a/containers/xos/pip_requested.txt
+++ b/containers/xos/pip_requested.txt
@@ -13,8 +13,8 @@
 functools32==3.2.3-2
 futures==3.2.0
 google-api-python-client==1.6.5
-grpcio-tools==1.9.1
-grpcio==1.9.1
+grpcio-tools==1.12.0
+grpcio==1.12.0
 kafka==1.3.5
 keystoneauth1==3.4.0
 mock==2.0.0
diff --git a/containers/xos/pip_requirements.txt b/containers/xos/pip_requirements.txt
index 14f4087..41f3715 100644
--- a/containers/xos/pip_requirements.txt
+++ b/containers/xos/pip_requirements.txt
@@ -47,8 +47,8 @@
 futurist==1.6.0
 google-api-python-client==1.6.5
 greenlet==0.4.13
-grpcio-tools==1.9.1
-grpcio==1.9.1
+grpcio-tools==1.12.0
+grpcio==1.12.0
 httplib2==0.11.1
 idna==2.6
 incremental==17.5.0