llkd: Add stack symbol checking

llkd needs the ptrace capabilities and dac override to monitor for
live lock conditions on the stack dumps.

Test: compile
Bug: 33808187
Change-Id: Ibc1e4cc10395fa9685c4ef0ca214daf212a5e126
diff --git a/private/compat/27.0/27.0.ignore.cil b/private/compat/27.0/27.0.ignore.cil
index 4e95303..278d605 100644
--- a/private/compat/27.0/27.0.ignore.cil
+++ b/private/compat/27.0/27.0.ignore.cil
@@ -69,6 +69,7 @@
     last_boot_reason_prop
     llkd
     llkd_exec
+    llkd_prop
     llkd_tmpfs
     lowpan_device
     lowpan_prop