[201811][utilities] advance sub-module head (#2844)

Submodule src/sonic-utilities 9005508..584e706:
  > [db migrator] Introduce the DB migration infrastructure (#519)

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
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Ying Xie 2019-04-30 16:41:38 -07:00 committed by GitHub
parent af380e9c79
commit f22666ce58
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@ -1 +1 @@
Subproject commit 9005508d0ba6e62e3b1b215a0ac6cfb5beacd06f
Subproject commit 584e7068572fe2f835a62c952ce8728bb60d0563