Add missing callback in iap.restore() on Android #33
Description
As mentioned in the code comments:
https://github.com/defold/extension-iap/blob/master/extension-iap/src/iap_android.cpp#L192-L193
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As mentioned in the code comments:
https://github.com/defold/extension-iap/blob/master/extension-iap/src/iap_android.cpp#L192-L193