If NSX already has certificate which has same PEM data, the cert
creation will fail with exception. To handle this, first check if
NSX already has same pem cert. If so, just use that certificate for
SSL profile binding.
Depends-on: I2550b41dbbd71ac7f35a7c9ce85bd8e4e166b49e
Change-Id: I6f8de7dd1665fb79313cbf693fcfc3a9987aa3c4