add WorkManager extension

[loki666]

implementation of Scheduler using Android Arch WorkManager

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[loki666]

I signed it!

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CLAs look good, thanks!

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[ojw28]

Would you see this as replacing the jobdispatcher extension, or are there use cases for both?

[loki666]

it can be a replacement, since WorkManager will either use platform JobDispatcher, Firebase/PlayStore jobDispatcher implementation or AlertManager depending on the API level or simple a background thread if the app is in the foreground

[loki666]

is something missing in this PR ?

[ojw28]

Nothing is missing. We're just waiting for a convenient time to look at & merge this. Thanks!

[erdemguven]

LGTM, please fix/respond pointed issues.

[loki666]

since dev-v2 migrated to androidX, should I also change the dependency?
for androidX it should be 'androidx.work:work-runtime:2.0.1'

[erdemguven]

Yes, please switch to androidX.

[loki666]

should be good

[erdemguven]

Thanks