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This change brings in the vue-material package and updates the UI to use
its Material design components. All the graph controls are now in a
sidebar, and the graph canvas is responsive to fit the size of the page.

Bug: 1102546
Change-Id: If47d8319337a9700bd921ba3938d3fe3da7b67b9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2347407Reviewed-by: Mohamed Heikal <mheikal@chromium.org>
Reviewed-by: Samuel Huang <huangs@chromium.org>
Commit-Queue: James Long <yjlong@google.com>
Cr-Commit-Position: refs/heads/master@{#796945}