system: Adding setprop entries for tcp delayed ack for Wifi & LTE

TCP delayed ack settings are expected to be modified when the
Wifi or LTE connection is established and the configurations
will be reverted back when the Wifi connection is terminated.
The change also modifies the /sys/kernel/ipv4/tcp_delack_seg
and /sys/kernel/ipv4/tcp_use_useconfig file owner to "system"

Change-Id: I754abdbcb140c8aece40d3ad70c85e6363bfb330
CRs-Fixed: 628139
NFC: enable Smart Card Service assd device driver

Set permissions for Android Seek service.

Change-Id: I21215da48645159672b067179497c9adfc2a36dd
Remove restart of ril-daemon in init.class_main.sh

Issue: Default rild was not launching some times
Fix: This is a timing issue, fixed this by removing
 stop and start of default ril-daemon in init.class_main.sh

Change-Id: I736994ddeaade729f7cb5ffd6f418a7c7c2c977e
CRs-Fixed: 635725
Merge "Remove restart of ril-daemon in init.class_main.sh"
Merge "Merge "Remove restart of ril-daemon in init.class_main.sh""
Merge 5c7805c04be194b595b7dd49bc4893665b7f34ea on remote branch

Change-Id: I15d48d6245ba86e7b1681e621ca6c83f09d511ae
Merge "Merge 5c7805c04be194b595b7dd49bc4893665b7f34ea on remote branch"
qcom/common: Added O_NOFOLLOW to avoid follow the symlink

open system call is added with NOFOLLOW flag

Change-Id: I402643635e3ee11b3ac5df63c3b71a9fd6f0d2db
Merge "NFC: enable Smart Card Service assd device driver"
Merge "Merge "NFC: enable Smart Card Service assd device driver""
Merge "qcom/common: Added O_NOFOLLOW to avoid follow the symlink"
Merge "Merge "qcom/common: Added O_NOFOLLOW to avoid follow the symlink""
Merge 325bedbf716bb85a0bc7835b0e48d49afa960f75 on remote branch

Change-Id: I622d14bca1f1f25ea20f4c6a1c87f52767eb6143
Merge "Merge 325bedbf716bb85a0bc7835b0e48d49afa960f75 on remote branch"
Merge "system: Adding setprop entries for tcp delayed ack for Wifi & LTE"
Merge "Merge "system: Adding setprop entries for tcp delayed ack for Wifi & LTE""
Merge 280c9bfe251b135da82ab5e0a1c517f817336e27 on remote branch

Change-Id: I782f5ae4ef416f2dff5ebed10098ec3b6651010b
Merge "Merge 280c9bfe251b135da82ab5e0a1c517f817336e27 on remote branch"
Merge 99667695acb6dceb60c379fc22cb7a1c228e22df on remote branch

Change-Id: I73edcf057a3ddc62ed810a38055feeb03859a7fa
Merge "Merge 99667695acb6dceb60c379fc22cb7a1c228e22df on remote branch"