g2: Use common QCOM SE policies

Depends on http://review.cyanogenmod.org/#/c/77382

Change-Id: I81c613a566f1ff8709cfafd3707d6713fb0d339a
g2: TEMP: Set SE Linux mode to permissive

Change-Id: I8e83afa27531874fd8218cb4d1a64a044aeb9ab2