fix(zone.js): Closes #31686, patch shadydom

[JiaLiPassion]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• angular.io application / infrastructure changes
• Other... Please describe:

What is the current behavior?

Issue Number: #31686
@webcomponents/shadydom polyfills will not work well with webapis-shadydom of zone.

What is the new behavior?

shadydom will work fine with polyfill in IE and Edge.

Does this PR introduce a breaking change?

• Yes
• No

[mhevery]

Why no test?

[mhevery]

http://test/OCL:259422510:BASE:259422529:1563835592907:c48ba53a

[JiaLiPassion]

@mhevery, I tested with a sample application locally, I will add unit tests with this one. thanks!

[JiaLiPassion]

@mhevery, I added test and make some refactor of the bazel karma rule to support normal browser test and shadydom test. please review, thanks.

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