Is the Android SDK manager required, or is the Android DotNet workload not enough?

[olivegamestudio]

articles/tutorials/advanced/MobileDeployment/01_getting_started/index.md

Required Tools:

• Android Device Manager - Used to set up simulators (accessible through Visual Studio)
• Android SDK Manager - Used to install the SDK platforms

(MonoGame#169 (comment))
is the Android SDK manager required, or is the Android DotNet workload not enough? (since the workload is already part of the MonoGame install instructions.)