Fix variable in wifical.sh and remount ro after run

Change-Id: Iabe2a3a51548202287f82fa0a80aef2f29f11cc2
wlan: Don't calibrate just set the MAC address if pds nvs_map exists

Calibration fails with the new modules but we can still set the
Hardware MAC if it exists

Change-Id: Id4ff90bc1f5a5069fe07090b112f66236b491d70
Revert "change the dalvik cache permission to fix crash on my phone"

This reverts commit 44d508ffd84136ddddc922143279397baf5ca53f.
Merge remote-tracking branch 'cm/cm-10.2' into jb4.3
Revert "Revert "change the dalvik cache permission to fix crash on my phone""

This reverts commit 0c6525fb377883178515d9aa8bc45369893d84aa.