Reproduction steps:
1. Open the attached project ("MultiProject_Main.zip")
2. Make an Android build: File > Build Settings > Build And Run
3. Monitor the Android device logs using ADB LogCat
4. Press the “Load remote catalog” button
5. Disconnect the internet of the Android device
6. In the “Load Scene” field, type “Scenes/CubesScene.unity” and press the "Submit" button.

Expected result: Addressables.LoadSceneAsync should complete with failure status
Actual result: Addressables.LoadSceneAsync never completes, errors are thrown:
- "NullReferenceException: Object reference not set to an instance of an object"
- "UnityWebRequest result : ConnectionError"
- "OperationException : GroupOperation failed because one of its dependencies failed"

Reproducible with: 1.18.11, 1.18.13 (2019.4.28f1, 2020.3.14f1, 2021.1.15f1, 2021.2.0b4, 2022.1.0a3)
Can't test with: 1.16.19 (2018.4.36f1) (Mutliple Exceptions thrown after downgrading), 1.16.19 (2020.3.14f1) ("RemoteProviderException" namespace errors thrown)