use eskia in demo

Change-Id: Iad1f1bd162e9fbd3e54d9cbf5d712618d9c46cd5
Reviewed-on: https://skia-review.googlesource.com/c/174042
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
2 files changed