getUserInfo fail when app trying to get self user info

isSameProfileGroupLP return false when user has no profile, we should
check callingUserId != userId explictly.
Please notice that isSameProfileGroup handles this case, but we would like
to avoid the permission checking of isSameProfileGroup.

Change-Id: Ibb2d09eaaf7e8f099445490aa9ec287e86945125