[Android] Compute display strings from PlusProfile::facet.

This CL creates a helper function to obtain a UI display string
from the PlusProfile::facet. Formatted canonical spec for security
display is used for web page URIs and Android package name is used for
Android app URIs.

Before: https://screenshot.googleplex.com/68yuQegXBQPKbaz
After: https://screenshot.googleplex.com/A8FquJfrkSuPAaZ

Bug: 327838324
Change-Id: I2128f1238f26baa9886847304f38bc99269e0ceb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5812025


Reviewed-by: Chris Thompson <cthomp@chromium.org>
Reviewed-by: Jan Keitel <jkeitel@google.com>
Commit-Queue: Timofey Chudakov <tchudakov@google.com>
Cr-Commit-Position: refs/heads/main@{#1349240}