Optionally let the instant app into disambig

When a user clicks "view on web", it's not assumed this is meant to be
forever. In this case, we will adjust the instant app's verification
status so that the instant isn't automatically run.

Change-Id: I246de901dafb23159a064d205fdb614d657a99dc
Fixes: 37686922
Test: Manual
Test: 1) Install instant app
Test: 2) Set to always-ask -- adb shell pm set-app-link package.name always-ask
Test: 3) Notice that we get a disambig w/ the instant app and chrome as options
Test: 4) Set to never -- adb shell pm set-app-link package.name never
Test: 5) Notice that we don't get the instant app