Use bazelisk inside Dockerfile
Use bazelisk inside Dockerfile

To make sure we build using the same Bazel version used for CI and other
builds.

Change-Id: I261c4bce1b3bb2d4f818f702110ae581b5e2c6f4
(cherry picked from commit 5524134a4ea7914d5e814e7f4acf496a68044790)

gkatsikas/onos,opennetworkinglab/onos,opennetworkinglab/onos,gkatsikas/onos,gkatsikas/onos,gkatsikas/onos,opennetworkinglab/onos,opennetworkinglab/onos,opennetworkinglab/onos,gkatsikas/onos,gkatsikas/onos,opennetworkinglab/onos