allow powerhal to access PA_KILL knobs

Bug: 322916612
Test: check avc logs
Change-Id: I637c6ad454b668f807b8d0eb4f66a83ca26dfa18
Signed-off-by: Martin Liu <liumartin@google.com>
diff --git a/performance/sepolicy/file.te b/performance/sepolicy/file.te
new file mode 100644
index 0000000..0357d51
--- /dev/null
+++ b/performance/sepolicy/file.te
@@ -0,0 +1 @@
+type sysfs_pakills, fs_type, sysfs_type;