g3: add additional ueventd sepolicies

Change-Id: I0b73ac9cc167ad7cc61b0db3d318330cc42ce7e0
props: set 480 density

* 480 is valid for market apps, so no breakage should happen because of it

Change-Id: I639a9232bc354f7a3f3f8d4a96772ec4466d9036
init: remove audit dir creation

* core init scripts create this with proper permissions

Change-Id: If69007cba544f02e897c9b38b61d263d1df86459