rootdir: Set permissions for additional interactive sysfs nodes

Change-Id: I2dbcdcc199c5f75d08e8ebf41cd6768c7648e27b
diff --git a/prebuilt/common/etc/init.local.rc b/prebuilt/common/etc/init.local.rc
index f62fcd6..c7d98bd 100644
--- a/prebuilt/common/etc/init.local.rc
+++ b/prebuilt/common/etc/init.local.rc
@@ -34,6 +34,8 @@
     chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/input_boost
     chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration
     chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration
+    chown system system /sys/devices/system/cpu/cpufreq/interactive/io_is_busy
+    chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/io_is_busy
 
     # ondemand governor
     chown system system /sys/devices/system/cpu/cpufreq/ondemand/boostfreq