feat(compiler): Allow calls to simple static methods

[chuckjaz]

Please check if the PR fulfills these requirements

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

What kind of change does this PR introduce? (check one with "x")

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Other... Please describe:

What is the current behavior? (You can also link to an open issue here)

Reports an error if you call a simple static method of the same form as a supported exported function.

What is the new behavior?

Can now call simple static methods of annotated classes.

Does this PR introduce a breaking change? (check one with "x")

[ ] Yes
[x] No

Other information:

Closes: #10266

[tbosch]

This assertion could use some more details :-)
E.g. with an toEquals for the expected annotation...

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}