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
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 "qcom/common: Added O_NOFOLLOW to avoid follow the symlink"
Merge "system: Adding setprop entries for tcp delayed ack for Wifi & LTE"
Merge 2ef477926a6e1a7bd2ff634c7e435fe640c1b33b on remote branch

Change-Id: Ibf1ad82081c9b7da53dfe654fbb8bcca59de684d
Merge 41af8978e421015d8ba9bb1fc5529a49ab6d3293 on remote branch

Change-Id: Id8125ee4dc06255477ac7a507e3eebba47fc73dc
security: Add appropriate permission for PFT driver

Update the permissions for PFT driver so that only apps
with drmrpc group permission can open it.

Change-Id: Id985234cb62ac34bc92875618ff79dc9d8bc8ad9
Merge "security: Add appropriate permission for PFT driver"
Merge f681ce4d57ed0be6d4c6d0bf30e49578bcb050cb on remote branch

Change-Id: I857bd9e217e9ab412690b1614b74c392b554e08b
sec_config: Allow sensors group process to QMI Sensor services

Enable Sensors QMI services for sensors process groups.

CRs-Fixed: 431081

Change-Id: Ibbdb0e07d9497e1809e7ef817e8400d4a9e4f8c1
Merge "sec_config: Allow sensors group process to QMI Sensor services"
sec_config: Allow sensors group process to QMI Sensor services

Enable Sensors QMI services for sensors process groups.

CRs-Fixed: 431081

Change-Id: Ibbdb0e07d9497e1809e7ef817e8400d4a9e4f8c1
Revert "sec_config: Allow sensors group process to QMI Sensor services"

This reverts commit 71ef536ee1938ea4719080c3b31c4b16618f7de0

Change-Id: I246b51992547b409ee1b61cbbc8a77fb122c6ed2
Merge da1ae70f8c2439790214da864ae50f74e5ce2b29 on remote branch

Change-Id: I62e672c7c059f37a8cee6641095039c3e47d1254