Add ccache_linux cipd package.

Change-Id: I47e2cda64404b7c0eea8d07bb2bb0d12b63d43e8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268839
Commit-Queue: Weston Tracey <westont@google.com>
Auto-Submit: Weston Tracey <westont@google.com>
Reviewed-by: Ben Wagner aka dogben <benjaminwagner@google.com>
6 files changed