Allow lmkd to setched kernel threads

psi monitor sched_setscheduler(kworker->task, SCHED_FIFO, &param) was added into pa/1282597

Bug: 127637796
Test: build
Change-Id: I8f2470fc40bc8d02a7fbbbe186afe580c5f53aa4
diff --git a/public/lmkd.te b/public/lmkd.te
index 518fb8f..51d1aa2 100644
--- a/public/lmkd.te
+++ b/public/lmkd.te
@@ -23,6 +23,7 @@
 
 # setsched and send kill signals
 allow lmkd appdomain:process { setsched sigkill };
+allow lmkd kernel:process { setsched };
 
 # Clean up old cgroups
 allow lmkd cgroup:dir { remove_name rmdir };