JSONWS API logs permission checking issues as ERROR messages

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.0 Beta 3, 7.1.X, Master
• Component/s: Application Security > Permissions, Application Security > Service Access Policy, Web Services > JSON WS
• Labels: None
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/59170

Steps to reproduce:
1. Go to http://localhost:8080/api/jsonws/user/get-current-user

Expected result: No error in logs
Actual result: Following error in logs

2018-05-28 14:18:05.282 ERROR [http-nio-8080-exec-8][JSONWebServiceServiceAction:97] Access denied to com.liferay.portal.kernel.service.UserService#getCurrentUser