Fix typo in legacy apps spec

Change-Id: Ie8d5e7783bcc7008b1f241d714a873e0eb6fc4af
[fix] CCNG legacy service provisioning

  This commit makes the response body a minimally valid json.

  Test plan:
  - all unit tests passed
  - all BVTs passed
  - verify that service provisioning in V1 protocol suceeds (And legacy
    VMC is happy)

Change-Id: I715816fd462e28cb4f22b74477a6141a22982f3e
Merge changes I715816fd,Ie8d5e778

* changes:
  [fix] CCNG legacy service provisioning
  Fix typo in legacy apps spec