There's great work around from many people. See e.g.: https://github.com/dan-v/rattlesnakeos-stack https://github.com/dan-v/rattlesnakeos-stack That's a whole

There's great work around from many people. See e.g.: https://github.com/dan-v/rattlesnakeos-stack https://github.com/dan-v/rattlesnakeos-stack That's a whole toolset to compile your AOSP in AWS and then build your own over-the-air updates.