Let init access block device

write /dev/sys/block/by-name/rootdisk/queue/discard_max_bytes 134217728
Bug: 225082034
Test: boot with no relevant error

Change-Id: I6fd67e0d84e1edc59f61ea468ba6701ffb616fda
diff --git a/vendor/qcom/common/init.te b/vendor/qcom/common/init.te
index bb6fa58..10bf573 100644
--- a/vendor/qcom/common/init.te
+++ b/vendor/qcom/common/init.te
@@ -22,3 +22,6 @@
 allow init sysfs_poweroff:file w_file_perms;
 # b/72993533 Thermal mitigation in recovery mode
 allow init sysfs_thermal:file w_file_perms;
+
+# b/225082034
+allow init sysfs_mmc:file w_file_perms;
\ No newline at end of file