Move return values for Logger's proguard configuration into assumenosideeffects section Chrome started hitting exceptions that should have been optimized away by proguard (crbug.com/992568). The issue is that R8 behavior is slightly different from proguard. This change adjusts configuration to get code optimized away by R8. PiperOrigin-RevId: 264463690 Change-Id: I116cb95dd60c79a2da6bb321c12054397279172b