This allows flame to boot TWRP. Still will need to work on super partition for vendor and system access. The plan will be to cherry-pick any updates to android-9.0 through gerrit.twrp.me to this branch as a WIP.
Fix conflicts and make it build in 5.1, 6.0, 7.1, 8.1, and 9.0 Change-Id: Ida0a64c29ff27d339b7f42a18d820930964ac6e4
Change-Id: I19c1546efb4182aac62c690e3cc05b04e3a9a32e