Add UpdateFactorySharedData as shopfloor action

Allows updating factory shared data from a shopfloor
response.

BUG=none
TEST=manual

Change-Id: I32df1f73aa2934ac46d2dfcab0ea66a38e2a366f
Reviewed-on: https://chromium-review.googlesource.com/259895
Reviewed-by: Peter Ammon <pca@chromium.org>
Commit-Queue: Peter Ammon <pca@chromium.org>
Tested-by: Peter Ammon <pca@chromium.org>
1 file changed