We incorrectly have been producing linux-gke-tools-common and
linux-gke-cloud-tools-common packages with conflicting contents to our own.
This is wrong.  Make our packages Provides: their linux-gke equivalents to
allow us to replace them without change to the existing linux-tools-gke
packages.  Conflicts:/Replaces: on the existing packages to ensure they
are removed before we are updated.

BugLink: http://bugs.launchpad.net/bugs/1688579Signed-off-by: Andy Whitcroft <apw@canonical.com>
Acked-by: Brad Figg <brad.figg@canonical.com>
Acked-by: Marcelo Cerri <marcelo.cerri@canonical.com>
Acked-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>