We are incorrectly detecting major/minor device numbers for the growroot
rootfs. This can also be simplified by querying udev for partition
information.
Change-Id: I68059bf11f2563872f6b4d0e23fa09a15de980a8
We can resize the rootfs without the initrd based approach. Create a
growroot element which performs rootfs resizing as part of system init.
Change-Id: Ibeb846b0170d141fb72323a441d14b65b93ae0a1