tree 8c6f75a6752e3d6e3614f8b1c9685e2f76d17e64
parent 325d18b0050eb0b2d2d998c80fa38c786143f0f8
author Kevin Cheng <kevcheng@google.com> 1538501822 -0700
committer Kevin Cheng <kevcheng@google.com> 1540312054 -0700

Set network's subnetwork.

When we're not using a default network, let's make sure we pick the
right subnetwork based on the region or raise an exception if one does
not exists..

Bug: 113535553
Test: acloud create with default and non-default network.
Change-Id: I8fba1ff1b0e2e8b8515d0b96aaf0e0e41b25bf20