Adding oc binary to bin path for multi stage test infra (#3362)

* Adding oc binary to bin path for multi stage test infra

* Added file permission locally and excluding it from docker file

* Created different dockerfile to avoid master break and proceed with multistage changes

openshift-ci/build-root/multistage/Dockerfile

@@ -0,0 +1,10 @@
+# Dockerfile to bootstrap build and test in openshift-ci
+
+FROM registry.svc.ci.openshift.org/openshift/release:golang-1.12
+
+RUN yum -y install make wget gcc git httpd-tools
+
+# This is a temporary change to make sure that it should run on both template based as well as multi-stage test
+# will remove this change once we completely migrate to multi-stage test infra
+COPY openshift-ci/build-root/check-oc.sh .
+RUN ./check-oc.sh

openshift-ci/build-root/multistage/check-oc.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -x
+
+## Constants
+OC_BINARY="./oc"
+
+# Copy oc binary to bin path
+if [ -f $OC_BINARY ]; then
+    cp ./oc /usr/bin/oc
+fi