WIP fix video recording

Change-Id: Ifc26e9f48b639aa30d658c686dda654a2ee72b8b
msm8974-common: sepolicy: Nuke our copy

We now get the qcom-common sepolicy.  Get rid of our old policy and
add back config as we need it, rather than trying to merge the two.

Change-Id: I5ca5098c653f09c7901343d0ae71793f6eb21ab8