sepolicy: add rule for dpm

add rule for DPM data file for db file
and removed duplicate rules

Change-Id: Ieed4f0b1cf19df06c04528245a0c6b799518542a
Seandroid: Added rules to thermal-engine

Added rules to thermal-engine for access to thermal-sockets which
is needed for  mediaserver ,camera and couple of other services.

Change-Id: I7f5f89c112357ee595f275b20325fede40439924
sepolicy: Update policy for time daemon

This patch updates the socket permission for time-daemon.

Change-Id: Ifc7d377585e9699a21ed569fe0402de35992c13b