This is done in anticipation of the upgrade to Ubuntu 20.04 which wont support this.
We'll do this first so we can handle any breakages caused by this step before needing to handle breakages
caused by the upgrade. However, there shouldn't be any breakages due to #6281, but there may be some projects
we overlooked.
The only exception to this is libcxx.
Related: #6180.
Integrating the first cloud function i implemented which syncs the project list from github and uploads the list to cloud datastore, which will be used by another cloud function to request builds.
Co-authored-by: Kabeer Seth <kabeerseth@google.com>