livedisplay: Fix racy init

* It turns out moving this to class main doesn't work as well
  as some had thought it would, so restore the previous logic
  to use class hal, and restart if the backend isn't up yet

Change-Id: Ib8b417d89108dcf80d0d159e8d84e5327944b2a1
5 files changed
tree: 22e61602e1484fc6a2c2db1d468cd4eca93eb127
  1. legacymm/
  2. sdm/
  3. .clang-format