Unlikely, as the Linux-port already needs a lot of time to be en par with the Mac and Windows-version.
And seing, how bad the installation-base is out there for Android, with dozens of devices having dozens of different Android-versions from old to new installed, customized by the manufacturer of these devices for the better or worse...
Even if they would attempt that, I would think, it's a support-nightmare. And you need to keep in mind: Reaper is done primarily by two people, Justin and Schwa.
So in short, I think it's unlikely. Or they surprise us out of a sudden