Special cases boot/uefi record setup to focus on UEFI
nvram updates instead of attempting nvram updates *and*
setting the boot device to disk.
Closes-Bug: 2053064
Change-Id: Ic6584479a47146577052d17fa3f697eef64ac73c
(cherry picked from commit 4fb1b813f4)
(cherry picked from commit 45d17c4abc)
(cherry picked from commit 526be0c869)