To improve CI efficiency, add two new options in docker script as dev_start.sh
* -b for build only, not pulling any map information
* -f for unit tests, pull only limited set of map information

Due the growing number of maps, it's pain to pulling all the map at each CI steps.
We have 5 steps in total in CI right now. First three steps can run well without
any map, and the rest will need some limited map support.

Total time of all steps in a CI reduces from about 2 hours to 90mins, which save
both time and resources.

Previous tested CI with -b and -f options to prove its correctness:

https://travis-ci.com/ApolloAuto/apollo/builds/112120858

https://travis-ci.com/ApolloAuto/apollo/builds/112129192

* change usb_cam.cc to supoort both 14.04 and 18.04

* drivers: further fix for camera driver on ubuntu 18.04

* cyber: add build and docker support for Cyber RT development (#8335)

* adding build_cyber option in apollo.sh
* add docker start and into scripts for Cyber RT only docker containers

* cyber: enhancing apollo.sh for Cyber RT development

* adding build_drivers option to build drivers only
* adding options of opt/dbg for build_cyber and build_drivers

This reverts commit c014da52.

This reverts commit fed488c3.

This reverts commit 14fb8873.