test(bazel): Make sure CLI project created with Bazel works with orig…

[kyliau]

…inal workflow

Bazel bits added to a CLI project should not be destructive.
The project should still work under the original CLI workflow.

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: N/A

What is the new behavior?

Does this PR introduce a breaking change?

• Yes
• No

Other information

[alexeagle]

please make an assertion that fails since the index.html still has broken script tags we added

[kyliau]

@alexeagle
I manually verified that the test fails with script tags in index.html
Added TODO to not copy original index.html once we have web_package rule working.
Meanwhile I'll add the protractor logs assertion to CLI.
PTAL, thanks!

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