Add Label to f2fs sysfs files

Test: ls -lZ /sys/fs/f2fs
Bug: 123367711
Change-Id: I0035feb8409b7ec8e11510795fb7d8845992694e
diff --git a/private/genfs_contexts b/private/genfs_contexts
index 6189adb..9d58f0a 100644
--- a/private/genfs_contexts
+++ b/private/genfs_contexts
@@ -120,6 +120,7 @@
 genfscon sysfs /devices/virtual/switch          u:object_r:sysfs_switch:s0
 genfscon sysfs /firmware/devicetree/base/firmware/android u:object_r:sysfs_dt_firmware_android:s0
 genfscon sysfs /fs/ext4/features                  u:object_r:sysfs_fs_ext4_features:s0
+genfscon sysfs /fs/f2fs                           u:object_r:sysfs_fs_f2fs:s0
 genfscon sysfs /power/autosleep u:object_r:sysfs_power:s0
 genfscon sysfs /power/state u:object_r:sysfs_power:s0
 genfscon sysfs /power/wakeup_count u:object_r:sysfs_power:s0