video: updated video size to make it fill the div automatically

[hfxsd]

What is changed, added or deleted? (Required)

Updated video size to make it fill the div automatically

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[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• Oreoxmt

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[Oreoxmt]

LGTM

[hfxsd]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 4e00aef

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11551.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11552.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #11553.