Amphtml: 🌸 Cherry pick request for #20548 into 1901242049580 (Approved)

[torch2424]

GitHub issue your cherry pick is fixing:

Issue #20548

PR that you are requesting a cherry pick for:

PR #20588

Release(s) you requesting this cherry pick into:

Production Release? YES

Release Issue #20470

Canary release? YES

Release Issue #20587

Why does this issue meet the cherry pick criteria?

All AMP Pages using AMP Consent with an amp-iframe are currently broken. As their amp-iframe is never laid out. Due to an error in which the parent container is shown and the iframe is shown.

/cc @cramforce
/cc @zhouyx
/cc @Enriqe

[cramforce]

Approved

[Enriqe]

@torch2424 @zhouyx this cherry pick is ready to test in opt-in dev-channel version 1901302225410.

Can you please verify that the issue is gone there?

[torch2424]

cc @Enriqe

Confirmed this to be working in the dev channel per the examples provided in: #20548

[Enriqe]

This is included in release https://github.com/ampproject/amphtml/releases/tag/1901302225410 which was pushed to production today.

[agarmave]

Thank you all!!

It works perfectly!