Free trial no longer detected on Android

[keesvandieren]

Please ensure you have given all the following requested information in your report.

Issue details, reproduction steps/code

We found that the free trial offering in Google Play for subscriptions is no longer detected

Version of gdx-pay and/or relevant dependencies

1.3.3

Stacktrace

n/a

Please select the affected platforms and payment service implementation

• [ x] googlebilling

Fixed the bug, creating issue for PR