To Reproduce:
- Open unity with the Android module installed from the hub - "Android Build Support" BUT NOT the "Android SDK & NDK tools" installed
- Go to build settings - (File -> Windows -> Build Settings)
- Switch to android - (click Android -> Switch Platform)
- Build and Run
- Expected errors of no SDKs shows in console
- Go back to the hub and install the Android SDK's
- Go back to build and run in the project

Expected Result:
a build goes to android and no errors appear in the console

Actual Result:
Errors in console ("Unable to install APK to device") - the SDK's don't seem to link properly with a project open

Reproduceable Versions:
2020.1.0a22, 2020.1.0a21, 2020.0a12

Unreproduceable versions:
2018.4, 2019.1.13f1, 19.3.0b7, 2020.1.0a3, 2019.3.0f3, 2020.0a11

Tested on Windows and MAC