Updated openstack/openstack
Project: openstack-infra/devstack-gate  ec535a469d4dc48d535c722957e626571c05c2df
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Add Trove testing support

Added DEVSTACK_GATE_TROVE (0 by default).

Change-Id: I82ca98d8d2c2b2fe80e2728cb2b1d294c774c407