Grant read file permissions on kmsg for vsock_logcat

Bug: 149481356
Test: TreeHugger?
Change-Id: I345a9722cd60b875f9aa433687d22ffe58a3ed9e
diff --git a/shared/sepolicy/vendor/vsock_logcat.te b/shared/sepolicy/vendor/vsock_logcat.te
index 405a362..7b7e8ff 100644
--- a/shared/sepolicy/vendor/vsock_logcat.te
+++ b/shared/sepolicy/vendor/vsock_logcat.te
@@ -12,6 +12,6 @@
 
 allow vsock_logcat device:dir w_dir_perms;
 allow vsock_logcat device:fifo_file create_file_perms;
-allow vsock_logcat kmsg_device:chr_file write;
+allow vsock_logcat kmsg_device:chr_file rw_file_perms;
 allow vsock_logcat self:capability net_admin;
 allow vsock_logcat self:{ socket vsock_socket } create_socket_perms_no_ioctl;