[submodule]: update swss, sairedis and utilities

sonic-sairedis

* 398d24a 2018-11-16 |  Add comments aspell check (sonic-net#382) (master) [Kamil Cudnik]
* 08fccb0 2018-11-15 | Add buffer pool logic and unittests (sonic-net#381) [Kamil Cudnik]
* 4d5a7bb 2018-11-15 | Rebuild VS local metadata on warm boot (sonic-net#380) [Kamil Cudnik]
* b011f3d 2018-11-15 | Add cold discovered oids (sonic-net#379) [Kamil Cudnik]
* 11c386e 2018-11-14 | [syncd] always log ASIC operations performed after warm restart (sonic-net#378) [Ying Xie]
* ebb9b7a 2018-11-14 | [syncd] provide docker name when checking warm restart (sonic-net#377) [Ying Xie]
* 72d8cc3 2018-11-12 | Add warm boot support for virtual switch (sonic-net#374) [Kamil Cudnik]
* 333c5ff 2018-11-11 | Refactor sairedis (sonic-net#375) [Kamil Cudnik]

sonic-utilities

* c6b4fe7 2018-11-15 | Adding bgp's warmrestart timer and on-off knob (sonic-net#378) (HEAD, origin/master, origin/HEAD, master) [Rodny Molina]
* 45d85c9 2018-11-15 | [warm boot] move warm reboot/fast reboot knowledge to syncd service script (sonic-net#372) [Ying Xie]

sonic-swss
* 067928d 2018-11-17 | [aclorch]: Use the Observer class to listen to port changes (sonic-net#689) (HEAD, origin/master, origin/HEAD) [Shuotian Cheng]
* d7d887a 2018-11-15 | [test]: Remove deprecated TODO comment (sonic-net#688) (master) [Shuotian Cheng]
* b42710a 2018-11-15 | [teammgrd]: Check if port is enslaved on all conditions (sonic-net#687) [Shuotian Cheng]
* 75972e7 2018-11-13 | Restore port oper status form appDB port table during restore phase o… (sonic-net#683) [Jipan Yang]
* 48c3bfb 2018-11-13 | [WarmStart]: Use right docker name for the teammgrd checkWarmStart (sonic-net#685) [pavel-shirshov]
* 6292786 2018-11-13 | [teammgrd]: Add kernel master check for port before enslaving (sonic-net#681) [Shuotian Cheng]
* a42ef4c 2018-11-12 | Adjust schema to match bgp warm-restart timer interval (sonic-net#682) [Rodny Molina]
* dc2ff77 2018-11-12 | [portsorch]: Move status comparison outside updatePortOperStatus function (sonic-net#679) [Shuotian Cheng]

Signed-off-by: Guohan Lu <gulv@microsoft.com>