new 3q-player feature - a listener for 'resize' event

[ajvarinho]

[amp-owners-bot[bot]]

Hey @ampproject/wg-caching! These files were changed:

extensions/amp-3q-player/0.1/test/validator-amp-3q-player.html
extensions/amp-3q-player/0.1/test/validator-amp-3q-player.out

[ajvarinho]

Opened a new merge request just as a test to start CircleCI.

[ajvarinho]

Hey @alanorozco , can we please merge and close this?

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

:white_check_mark: ajvarinho
:x: nikola

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