Update SELinux policy.

Various policy changes and updates concerning
sysfs and proc access, new device node domains,
and updated btmacreader and sensors-config
policy.

Change-Id: I6e4c20a3f2c669427b6d60d8ac1c07dadddf1e1a
Signed-off-by: rpcraig <rpcraig@tycho.ncsc.mil>