Revert "Add /dev/kmsg_debug."

am: 9ac5d01f

Change-Id: I31b6b74e498efd2a6f6795f91d6a39a000886061

private/file_contexts

@@ -104,7 +104,6 @@
 /dev/ptmx		u:object_r:ptmx_device:s0
 /dev/pvrsrvkm		u:object_r:gpu_device:s0
 /dev/kmsg		u:object_r:kmsg_device:s0
-/dev/kmsg_debug	u:object_r:kmsg_debug_device:s0
 /dev/null		u:object_r:null_device:s0
 /dev/nvhdcp1		u:object_r:video_device:s0
 /dev/random		u:object_r:random_device:s0

public/crash_dump.te

@@ -15,9 +15,6 @@ dontaudit crash_dump self:capability { sys_ptrace };
 
 userdebug_or_eng(`
   allow crash_dump logd:process { ptrace signal sigchld sigstop sigkill };
-
-  # Let crash_dump write to /dev/kmsg_debug crashes that happen before logd comes up.
-  allow crash_dump kmsg_debug_device:chr_file { open append };
 ')
 
 # Use inherited file descriptors

public/device.te

@@ -36,7 +36,6 @@ type mtp_device, dev_type, mlstrustedobject;
 type nfc_device, dev_type;
 type ptmx_device, dev_type, mlstrustedobject;
 type kmsg_device, dev_type;
-type kmsg_debug_device, dev_type;
 type null_device, dev_type, mlstrustedobject;
 type random_device, dev_type, mlstrustedobject;
 type sensors_device, dev_type;

public/init.te

@@ -13,10 +13,6 @@ allow init tmpfs:chr_file { create setattr unlink rw_file_perms };
 # /dev/kmsg
 allow init tmpfs:chr_file relabelfrom;
 allow init kmsg_device:chr_file { write relabelto };
-# /dev/kmsg_debug
-userdebug_or_eng(`
-  allow init kmsg_debug_device:chr_file { write relabelto };
-')
 # /dev/__properties__
 allow init properties_device:dir relabelto;
 allow init properties_serial:file { write relabelto };