[App Management] Add PWA Permission View Test

This CL adds PWA Permission View tests that test 1) toggle status reflects permission status, and 2) click toggle will toggle the corresponding permission.

Bug: 906508
Change-Id: I03f77afe2a75afc260c2d0dcdfe907e6d12dc9e8
Reviewed-on: https://chromium-review.googlesource.com/c/1445331
Auto-Submit: Cecilia Ni <ceciliani@google.com>
Reviewed-by: calamity <calamity@chromium.org>
Reviewed-by: Eric Willigers <ericwilligers@chromium.org>
Commit-Queue: Cecilia Ni <ceciliani@google.com>
Cr-Commit-Position: refs/heads/master@{#630690}
3 files changed