Various policy updates.

Assortment of policy changes include:
 * Bluetooth domain to talk to init and procfs.
 * New device node domains.
 * Allow zygote to talk to its executable.
 * Update system domain access to new device node domains.
 * Create a post-process sepolicy with dontaudits removed.
 * Allow rild to use the tty device.

Change-Id: Ibb96b590d0035b8f6d1606cd5e4393c174d10ffb
Signed-off-by: rpcraig <rpcraig@tycho.ncsc.mil>
diff --git a/file_contexts b/file_contexts
index 6501dfd..6e05edb 100644
--- a/file_contexts
+++ b/file_contexts
@@ -41,6 +41,7 @@
 /dev/block/loop[0-9]*	u:object_r:loop_device:s0
 /dev/block/ram[0-9]*	u:object_r:ram_device:s0
 /dev/block/mtdblock5	u:object_r:radio_device:s0
+/dev/bus/usb(.*)?       u:object_r:usb_device:s0
 /dev/cam		u:object_r:camera_device:s0
 /dev/console		u:object_r:console_device:s0
 /dev/cpuctl(/.*)?	u:object_r:cpuctl_device:s0