Google Billing: Service disconnect never gets reconnected

[keesvandieren]

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

Issue details, reproduction steps/code

• Launch the app, install payment system
• Make sure Google Play Service gets restarted
• All calls to payment system will now fail.

We should retry connection with exponential backoff. See here for the details

Version of gdx-pay and/or relevant dependencies

Latest

Please select the affected platforms and payment service implementation

• [ ] Amazon
• [x] googlebilling
• [ ] apple robovm
• [ ] Huawei