Maybe at some point, but this is just updating the kernel itself, not the system Google distributes as Android. That basically means the stuff that the Android developers have created to make Linux run on Android devices is being added to the mainline kernel. In other words, for the first time, you should be able to compile the mainline Linux kernel and boot it on an Android device.

Here's a good overview of the change, why it took a while, and what shape it will take: https://lwn.net/Articles/472984/