Allow system_server to read/write /proc/uid_cputime/ module

Bug:20182139
Change-Id: I1829a83c7d8e2698715e424a688a2753d65de868
diff --git a/genfs_contexts b/genfs_contexts
index 4b16ffc..f796786 100644
--- a/genfs_contexts
+++ b/genfs_contexts
@@ -20,6 +20,9 @@
 genfscon proc /sys/kernel/usermodehelper u:object_r:usermodehelper:s0
 genfscon proc /sys/net u:object_r:proc_net:s0
 genfscon proc /sys/vm/mmap_min_addr u:object_r:proc_security:s0
+genfscon proc /uid_cputime/show_uid_stat u:object_r:proc_uid_cputime_showstat:s0
+genfscon proc /uid_cputime/remove_uid_range u:object_r:proc_uid_cputime_removeuid:s0
+
 # selinuxfs booleans can be individually labeled.
 genfscon selinuxfs / u:object_r:selinuxfs:s0
 genfscon cgroup / u:object_r:cgroup:s0