Merge pull request #45437 from kewu1992/cos-docker-validation

Automatic merge from submit-queue

Add properties file for cos-docker-validation test job

**What this PR does / why we need it**: 
This is forked from test/e2e_node/jenkins/docker_validation/jenkins-validation.properties. It is used for COS docker validation test.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```NONE
```

test/e2e_node/jenkins/docker_validation/cos-docker-validation.properties

@@ -0,0 +1,15 @@
+GCI_IMAGE_PROJECT=cos-docker-validation
+GCI_IMAGE_FAMILY=validation-test
+GCI_IMAGE=$(gcloud compute images describe-from-family ${GCI_IMAGE_FAMILY} --project=${GCI_IMAGE_PROJECT} --format="value(name)")
+GCI_CLOUD_INIT=test/e2e_node/jenkins/gci-init.yaml
+
+GCE_HOSTS=
+GCE_IMAGES=${GCI_IMAGE}
+GCE_IMAGE_PROJECT=${GCI_IMAGE_PROJECT}
+GCE_ZONE=us-central1-f
+GCE_PROJECT=node-cos-docker-validation
+# user-data is the GCI cloud init config file.
+GCE_INSTANCE_METADATA="user-data<${GCI_CLOUD_INIT},gci-update-strategy=update_disabled"
+CLEANUP=true
+GINKGO_FLAGS='--skip="\[Flaky\]|\[Serial\]"'
+TIMEOUT=1h