Add datastore emulator to gcloud asset

Bug: skia:
Change-Id: I2f0986e0ae3057e0a7fca479c0f3e062f10c3eba
Reviewed-on: https://skia-review.googlesource.com/126205
Commit-Queue: Stephan Altmueller <stephana@google.com>
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
3 files changed