Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to aa86fba165281a8a442317d04aa22d4406162da1
  - Change k8s to 6 x 32 GB VMs
    
    Try 6 x 32 GB deployment instead of the previous
    12 x 16 GB to cut down on the coordination traffic.
    
    Change-Id: I7228f034b7d1c8c1b075ddf5e1d6a5db8187b29b
    Issue-ID: INT-993
    Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
    
1 file changed