To reproduce:
1. Open the attached project
2. Build and Run the "SampleScene" on Android device
3. Check the "Development Build" and "Scripts only Build" boxes
4. Uncomment 15th line in "TestScript" then "Patch and Run"
5. Uncheck "Scripts only Build", comment 15th line in "TestScript", uncomment 16th line in "TestScript"
6. Build and Run on Android device

Expected result: With "Scripts only Build" disabled, script changes take effect after building and running the apk
Actual result: With "Scripts only Build" disabled, script changes do not take effect after building and running the apk

Reproduced with: 2019.1.0a7, 2019.1.7f1, 2019.2.0b6, 2019.3.0a6
Not reproduced with: 2017.4.29f1, 2018.4.3f1, 2019.1.0a6
Regression started in 2019.1.0a7

Notes:
- Dev build has to be on
- Scene changes take effect, but not script changes
- Rebuilding Project Settings folder does not help
- Rebuilding the Library does not help