Fix wrong field value example in the iap client resource

[gecko655]

The example in the doc for google_iap_client has a wrong argument field example. The brand field does not have /identityAwareProxyClients/{client_id} part, while the client has that field.

ref: https://cloud.google.com/iap/docs/reference/rest/v1/projects.brands.identityAwareProxyClients/create

brand
Required. Path to create the client in. In the following format: projects/{projectNumber/id}/brands/{brand}

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[github-actions]

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[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 2 files changed, 2 insertions(+), 2 deletions(-))
google-beta provider: Diff ( 2 files changed, 2 insertions(+), 2 deletions(-))

[modular-magician]

Tests analytics

Total tests: 85
Passed tests: 65
Skipped tests: 20
Affected tests: 0

Click here to see the affected service packages

• iap

$\textcolor{green}{\textsf{All tests passed!}}$

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[shuyama1]

Thanks for helping fix the documentation!