uncrypt: move into enforcing

Move the uncrypt domain into SELinux enforcing mode. This will
start enforcing SELinux rules; security policy violations will
return EPERM.

Bug: 13083922
Change-Id: I4805662d8b336e2bfd891237cc916c57179ebf12

uncrypt.te

@@ -3,7 +3,6 @@ type uncrypt, domain;
 type uncrypt_exec, exec_type, file_type;
 
 init_daemon_domain(uncrypt)
-permissive_or_unconfined(uncrypt)
 
 allow uncrypt self:capability dac_override;