How to reproduce:
1. Create a new project
2. Install Analytics via Package Manager
3. Switch platform to Xbox in Build Settings
4. Close the project
5. Open the project
6. Once opened, switch the platform back to Standalone

Expected result: There are no errors thrown to the Console
Actual result: 'Library\PackageCache\com.unity.analytics@3.4.0\DataPrivacy\DataPrivacyButton.cs(52,17): error CS0103: The name 'RemoteSettings' does not exist in the current context
Library\PackageCache\com.unity.analytics@3.4.0\DataPrivacy\DataPrivacy.cs(42,26): error CS0103: The name 'AnalyticsSessionInfo' does not exist in the current context
Library\PackageCache\com.unity.analytics@3.4.0\DataPrivacy\DataPrivacy.cs(43,29): error CS0103: The name 'AnalyticsSessionInfo' does not exist in the current context' errors are thrown to the Console

Reproducible with: 2019.4.13f1 (3.1.1), 2020.1.11f1 (3.3.2), 2020.2.0b9 (3.3.5), 2021.1.0a2 (3.5.3)
Not reproducible with: 2018.4.29f1 (3.0.9)

Notes:
- Workaround: delete the Library folder
- Reproducible on Windows, not reproducible on macOS
- Not reproducible when switching platform to iOS, Android, WebGL, UWP; Reproducible when switching platform to Xbox