selinuxrelabel: Add a check for dalvik-cache

Change-Id: Ic8087450756ae81458e155aa1ca22d5055547664
Merge "selinuxrelabel: Add a check for dalvik-cache" into cm-11.0
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_vendor_cm into cd-4.4