GitLab

1. Merchant domain and merchant app package name
should be repeated field.

2. The instrument id for credit card should be
int64. This is the type of it in payments server.

3. Deleted legacy_instrument_id from offer specifics.
No legacy instrument id will be synced down with
offer data if flow does not go through Payments
Orchestration.

Bug: 1112095
Change-Id: Ic6e801bc49d0716d7e50196c8314d27977d010b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2380577
Commit-Queue: Siyu An <siyua@chromium.org>
Reviewed-by: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#803249}