[App Management] Add Metadata View

This CL sets up metadata view for chrome permission view and pwa permission view.

Bug: 906508
Change-Id: I81d4ed5b1946ede773a802809ef27e945bd3a4ef
Reviewed-on: https://chromium-review.googlesource.com/c/1390777
Commit-Queue: Cecilia Ni <ceciliani@google.com>
Reviewed-by: calamity <calamity@chromium.org>
Reviewed-by: Eric Willigers <ericwilligers@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619366}
10 files changed