Revert^4 "Allow system server to access udc sysfs"

This reverts commit b18e810d0ec527093507a045fa2da4d718e5bd0c.

Reason for revert: reland the change as Pixel selinux issue in b/349489148 has been resolved by ag/q/topic:%22339241080_udc_path_update%22

Change-Id: I41936a2f7b975dd2ab9f7d0a14696334ad5bf52f
diff --git a/private/genfs_contexts b/private/genfs_contexts
index ac59c9a..de2b139 100644
--- a/private/genfs_contexts
+++ b/private/genfs_contexts
@@ -136,6 +136,7 @@
 genfscon sysfs /class/rtc                         u:object_r:sysfs_rtc:s0
 genfscon sysfs /class/switch                      u:object_r:sysfs_switch:s0
 genfscon sysfs /class/wakeup                      u:object_r:sysfs_wakeup:s0
+genfscon sysfs /class/udc                         u:object_r:sysfs_udc:s0
 genfscon sysfs /devices/platform/nfc-power/nfc_power u:object_r:sysfs_nfc_power_writable:s0
 genfscon sysfs /devices/virtual/android_usb     u:object_r:sysfs_android_usb:s0
 genfscon sysfs /devices/virtual/block/            u:object_r:sysfs_devices_block:s0