Add support for some additional helpshift events. #4751
Description
Task
In WPiOS we're adding tracking for these Helpshift events. We should track these in the Android app as well.
static NSString *HSUserAcceptedTheSolution = @"User accepted the solution";
static NSString *HSUserRejectedTheSolution = @"User rejected the solution";
static NSString *HSUserSentScreenShot = @"User sent a screenshot";
static NSString *HSUserReviewedTheApp = @"User reviewed the app";
/cc @oguzkocer