Social Activity API is not accesible remotely

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.0 CE B1
• Fix Version/s: 6.2.0 CE RC3, 6.2.0 CE RC5
• Component/s: Social Activity, Social Networking
• Labels: None
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/14191

Currently there's no way to access remotely to the social activity API.
We need to enable "remote" in service.xml and create a SocialActivityServiceImpl class where we can expose AT LEAST all getXXXX methods.

This is specially important for mobile apps accessing social information of the portal