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.
Change-Id: I158b2a8fee89c2543a0b809af8e278702466b106
Change-Id: I6bc6b512fe6e841703229d45333421532ecebb83
Change-Id: Ib688ddd0c32d3999590cacd86b6d9b18eac336e9