vendor/cm: Clean up init.local.rc

These changes fix the error below found in a logcat and clean up some other issues in the file.

"E CM PowerHAL: Error opening /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate: Permission denied"

	PS2: tweaked permissions & removed dupilcated entries

Change-Id: I9b1bbe66c36ba0d8de13b8cb9351d2952851c250
init.local.rc: Fix typo

Change-Id: Iec9b4c84cfc8c594558cab55a597cbefa6171d33
Revert "Disable excessive dalvik debug messages"

This reverts commit 4fa8d39526c467220aaca1b562e12a437d6cfc54.

Change-Id: I1bbe8333653934913865566861f79fd9de515623