Extend SEPolicy

Change-Id: I48624c6e7210ba76e70cf4e7b1d99a2809cde584
Fill out some qcom related build flags

Change-Id: Ie3ef85f1ae8afcd931fdddcd1e6eb61511a380d1
Specify twrp RECOVERY_VARIANT

Change-Id: I8fa65eb7c4cecafc4fdc0e11ccf406b80ae8e557