Allow init-insmod-sh to access debugfs_wlan

avc: denied { search } for comm="insmod" name="wlan" dev="debugfs" ino=24900 scontext=u:r:init-insmod-sh:s0 tcontext=u:object_r:debugfs_wlan:s0 tclass=dir permissive=0

Bug: 135888020
Test: Run apct/device_boot_health_check_extra test with TreeHugger build
Change-Id: I9ed5376cb41130d901a138df9eee54f5195513d1
diff --git a/vendor/qcom/common/init-insmod-sh.te b/vendor/qcom/common/init-insmod-sh.te
index 0428e83..96e86ee 100644
--- a/vendor/qcom/common/init-insmod-sh.te
+++ b/vendor/qcom/common/init-insmod-sh.te
@@ -16,3 +16,4 @@
 allow init-insmod-sh vendor_file:system module_load;
 
 allow init-insmod-sh kernel:key search;
+allow init-insmod-sh debugfs_wlan:dir search;