tree baec6096cbb887634a98404a0970f6ec5e002e34
parent c7146610032b3aeb42d0db96e4bef7ca52deeb1e
author yoonseon <yoonseon@onlab.us> 1483493246 -0800
committer yoonseon <yoonseon@onlab.us> 1483655973 -0800

[ONOS-5806] Revise virtual provider and provider service

Changes
1. VirtualProvider contains ProviderId
2. VirtualProviderRegistryService Interface is added
3. VirtualProviderManager which is the implementation
   of the intetreface is added

Change-Id: I015f0b8d2a6d7ae3bb571f6e1fa0090be3b4f192