selinux: add sepolicy generated by audit2allow and fixup.py

To enable selinux you must 'export HAVE_SELINUX=true' in
terminal before you brunch
Change-Id: I6695b81a85e734cb95a620ae9cc2750c40ff7505
Add userdata size so selinux will compile (set to smallest:907)

Since we don't flash this partition directly anyway
Change-Id: I2c4de9c5c97ddaa25cc9ef138590418ef25cb2e7