Communicate Get Flow Biometric Success to Provider

This sets up the biometric flow to communicate the results to the
provider for the get flow.

This is to finalize the biometric API call so that the end
result of the authentication can be communicated to the provider,
completed the E2E Get Happy Path. This
specifies the success case, which is the pivotal case to complete the
flow. Other cases, such as failures, or other callback values
(help/confirm/etc..) are presently logged and will be productionized as
soon as possible.

However, this should have the success flow checked in
with ways to identify failure cases from the non triggerable flows
presently in the framework.

To make this full E2E, this also ensures that the initial input is
completely allowed as expected by Jetpack, though everything is being
tested. Therefore, it is protected from being reachable by flags.

The Create version will follow up with the create changes, and the
required exhaustive when statement has been left with a 'TODO' for the
create case; that case will be tested to not break any E2E existing
flows.

Bug: 327620327
Test: Visual, Build, and Unit in Progress: see b/329874867
Change-Id: Icf0d8459d784880a2d307c4997103451ca5b29fb