* Desktop and iOS will use Autofill assets
* Android keeps using the drawables (vector)
* MIR card now has a border (fixes Autofill asset)

BUG=722651
TEST=visually tested on desktop, iOS
TBR=blundell

Review-Url: https://codereview.chromium.org/2889453004
Cr-Commit-Position: refs/heads/master@{#472311}