Analytics 4.3.0

Updates

1. Feature

   Added: CustomData(string eventName) method for recording events that don't have any parameters.

2. Change

   Changed: The `AnalyticsContainer` object is now spawned during `UnityServices.InitializeAsync` .

3. Fix

   Fixed: Issue where a single corrupt event could prevent all subsequent events from being sent.

4. Fix

   Fixed: `NullReferenceException` when passing null instead of a Dictionary of parameters to `CustomData` for an event that doesn't have any parameters.

5. Fix

   Fixed: `NullReferenceException` when passing null for the currency code to `ConvertCurrencyToMinorUnits` ; it now throws an `ArgumentNullException` if the currency code is either null or empty.

6. Fix

   Fixed: Compiler error on 2020.1 Editor versions.

7. Fix

   Fixed: Documentation comment on `IAnalyticsService.Flush` method to clarify behavior and usage.