Run docker as current user and add option to copy directory structure to docker.run.

Bug: skia:9438
Change-Id: I21ce6a1483a1def71f073aba9cc00f22f7d1de3b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/283438
Commit-Queue: Weston Tracey <westont@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
23 files changed