What

• Add form filed to to upload an Android keystore PKCS 12 file.
• Add form filed for keystore password
• Create secret from the uploaded file, equivalent of:

oc create secret generic testcert --from-file=certificate=./testcert.p12 --from-literal=password=password

• Apply the jenkins sync label to the secret, equivalent of:

oc label secret testcert credential.sync.jenkins.openshift.io=true