[201811][swss][utilities] advance submodule heads (#3712)

Submodule src/sonic-swss f09ddb4..49c9c16:
  > Allow buffer profile apply after init (#1099)
  > [aclorch]: Check for existing mirror table only when creating a new table (#1089)
  > [201811] [portsorch] fix PortsOrch::allPortsReady() returns true when it should not (#1116)
  > Address review comment: remove data member m_entriesCreated, which is introduced for dependancy resolution purpose. (#839)
  > Fix PFC watchdog not getting lossless TC (#876)

Submodule src/sonic-utilities c049e54..2ca1ae1:
  > Add a generic configlet application script (#716)

Signed-off-by: Ying Xie <ying.xie@microsoft.com>