Fix ProgressDialog deprecation

[BrayanDSO]

There isn't a Material Progress Dialog. Perhaps for the same reason they deprecated progress dialog on Android O.

This class was deprecated in API level 26. ProgressDialog is a modal dialog, which prevents the user from interacting with the app. Instead of using this class, you should use a progress indicator like ProgressBar, which can be embedded in your app's UI. Alternatively, you can use a notification to inform the user of the task's progress.

(https://developer.android.com/reference/android/app/ProgressDialog)

We use ProgressDialog on other places of the code and would be nice to have an issue to discuss what to do on each case

_Originally posted by @BrayanDSO in https://github.com/ankidroid/Anki-Android/pull/12137#discussion_r953150673_

[BrayanDSO]

I think we're going to need a general purpose progress notification (media sync...) as a task, but some things will still need interaction-blocking progress like database check and media check. those would go into UI I guess, an updating screen that is sort of like what the dialog is now if you flattened the dialog into the screen itself, so those would become fragments or something I guess?

Maybe a common fragment activity that can take dialog-like inputs: title, description, okay/cancel, and a facility for a runnable with progress listener and text area to post. None of this is ground-breaking (or concrete enough from just this brainstorming) - definitely needs a real issue and an accounting with plan per item

_Originally posted by @mikehardy in https://github.com/ankidroid/Anki-Android/pull/12137#discussion_r953163133_

[BrayanDSO]

+1 for progress notification on media sync (my most wanted feature after the new backend and probably the first thing I'll do after GSoC if nobody beats me first)

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