[moblab] Fixing errors in wmatrix db provisioning

Creating moblab specific versions of wmatrix db scripts that
match the environment and method signature of moblab init
environment.

BUG=chromium:812046
TEST=On local moblab device, verify that wmatrix pages load

Change-Id: I9b0873d4709642740b7992bb938fe8e251395edf
Reviewed-on: https://chromium-review.googlesource.com/922361
Commit-Ready: Keith Haddow <haddowk@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Keith Haddow <haddowk@chromium.org>
3 files changed