Enable support for multiple users

Change-Id: I54a2794100f79e64ca9eefc94f89229060242f96
m8: set selinux permissive, remove local policies

Change-Id: I20df3cdde8dc0b2ae9b8cee01fb30ded7b5fd6f3
Merge remote-tracking branch 'cm/cm-12.0' into HEAD