Add cloudbuild.yaml file for continous builds of fiddler and skia-release.

Bug: skia:
Change-Id: I713fea23ce88af4dd2a1f28082274535119defee
Reviewed-on: https://skia-review.googlesource.com/139107
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
Commit-Queue: Joe Gregorio <jcgregorio@google.com>
1 file changed