How to reproduce:
1. Open the attached project
2. Open the Addressables window (Window > Asset Management > Addressables)
3. Set the "Play Mode Script" to "Packed Play Mode"
4. Build > Build Player Content
5. Open Addressable Profiler (Window > Asset Management > Addressable Profiler)
6. Enter Play Mode
7. Press "load" button
8. If Addressables profiler is not showing anything, press "clear"
9. Press "release" button (Notice that the loaded asset is released)
10. Press "load" button 2 times
11. Press"release" button (Notice that the asset is not released)

Actual result: The loaded asset is not released.
Expected result: The loaded asset is released.

Reproducible with: 2018.4.11f1, 2019.2.9f1, 2019.3.0b7, 2020.1.0a9.

Notes:
- Addressables are not implemented in 2017.4.