[Fix] optIn() not prompting if called before push subscription is created on backend#2037

jkasten2 merged 2 commits intomainOneSignal/OneSignal-Android-SDK:mainfrom

fix/optIn-not-prompting-if-called-before-sub-createdOneSignal/OneSignal-Android-SDK:fix/optIn-not-prompting-if-called-before-sub-createdCopy head branch name to clipboard