[housekeeping] Use MSBuild for provisioning Android SDK, Appium

[Redth]

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This switches Appium and Android SDK to provision via MSBuild targets instead of cake/ps1 scripts and puts all of the version and api level/sdk package info into the Version.props to centralize the source of truth.

[Redth]

/azp run

[azure-pipelines[bot]]

Azure Pipelines failed to run 3 pipeline(s).

[jsuarezruiz]

@Redth Could you rebase and fix the conflicts? Thanks in advance.

[rmarinho]

Make sure to rebase with latest changes the remove provisionator

[Redth]

When using from the arcade approach it seems there are some issues.

So the usage of calling the tools.csproj can be triggered by

PS C:\repos\dotnet\maui> .\build.cmd -pack -verb:diag

I commented out things here but have them updated to what they could be... not sure if we want to try and do that in this PR, but we can move that direction eventually?

[rmarinho]

I think we should rebase

[Redth]

/azp run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s), but failed to run 2 pipeline(s).

[mattleibow]

I have based my PR to make things work better and on linux and hopefully faster: https://github.com/dotnet/maui/pull/28065

[rmarinho]

This was fixed by https://github.com/dotnet/maui/pull/28065