- Added stubs per platform in their ini file that doesn't change volume, except for mac which this bug is about and for which I reduced the volume by -6 dB. This can be changed by designers as per needed for their game per platform. The final headroom should be set by designers.
- Removed the hard-coded headroom constant used in OpenAL recently added.
[CL 2611741 by Aaron McLeran in Main branch]
Add mostly-stubbed Google Play OSS, enough for WriteAchievements to work through blueprints
Add ability to configure Google Play achievement ID mappings in the editor
Add the achievement ID mappings for TappyChicken
[CL 2054824 by Ryan Gerleve in Main branch]