Add /data/misc/perfprofd to store perf profile.

BUG: 19483574

(cherry picked from commit 30c401fa92)

Change-Id: Ibf96db9f7e5db625b395db20b73572acc240b1f9

rootdir/init.rc

@@ -263,6 +263,7 @@ on post-fs-data
     mkdir /data/misc/ethernet 0770 system system
     mkdir /data/misc/dhcp 0770 dhcp dhcp
     mkdir /data/misc/user 0771 root root
+    mkdir /data/misc/perfprofd 0775 root root
     # give system access to wpa_supplicant.conf for backup and restore
     chmod 0660 /data/misc/wifi/wpa_supplicant.conf
     mkdir /data/local 0751 root root