Also:
- Updated Bazel version
- Removed non-working code to auto-login user and disable screen saver
- Reduce size by doing a shallow clone of ONOS
Change-Id: Ie6efc3ebd6766164e7051f28dff89046141afa7f
(cherry picked from commit 68a0a00b4f332cb1cc518dc9c76e587d70cb4492)