selinux: Add CM-specific file_contexts

Change-Id: Ie70c59acedbb7be2f5b34a83c1d3d011f440ba05
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
new file mode 100644
index 0000000..65e21c9
--- /dev/null
+++ b/sepolicy/file_contexts
@@ -0,0 +1,8 @@
+/cache/dalvik-cache(/.*)? u:object_r:dalvikcache_data_file:s0
+
+#############################
+# performance-related sysfs files (CM)
+/sys/kernel/mm/ksm(/.*)?       --          u:object_r:sysfs_writable:s0
+/sys/devices/system/cpu.*/cpufreq(/.*)? --  u:object_r:sysfs_writable:s0
+/sys/block/mmcblk0/queue/scheduler  --    u:object_r:sysfs_writable:s0
+