init.qcom.rc: Restrict external sdcard write permission

Apps must not be allowed to write to secondary external storage
devices, except in their package-specific directories as allowed by
synthesized permissions. Restricting writes in this way ensures the
system can clean up files when applications are uninstalled

Change-Id: I6688dc3f5d81f966fd42a8cf3509c3743474de50
CRs-Fixed: 715425
init.qcom.rc: create directory for display clients

Create a directory '/data/misc/display' to store configuration
files used by display clients.

Change-Id: I20f62ed6a484172b8765455ccc2456b52ef7ffa0
Merge "init.qcom.rc: Restrict external sdcard write permission"
Merge "init.qcom.rc: create directory for display clients"
Merge AU_LINUX_ANDROID_LA.BF.1.1.2_RB1.05.00.00.016.009 on remote branch

Change-Id: Ia6e24999b6281b6f234b9ad689852d6ee26b1a31
Merge pull request #2 from AOSParadox/LA.BF.1.1.2_rb1.7

CAF UPDATE : LA.BF.1.1.2_rb1.7