Vendors won't modify fuchsia or its microkernel (magenta). That's the point behind the driver APIs in fuchsia. This should allow Google to update the full system, kernel included, while leaving the vendor drivers, which run in user mode and will still work due to the API being still supported, alone.
If Android is ported to fuchsia, that would solve the android update problem for good.
Vendors won't modify fuchsia or its microkernel (magenta). That's the point behind the driver APIs in fuchsia. This should allow Google to update the full system, kernel included, while leaving the vendor drivers, which run in user mode and will still work due to the API being still supported, alone.
If Android is ported to fuchsia, that would solve the android update problem for good.