fix: detect @angular/core in google3 and don't run ngcc
fix: detect @angular/core in google3 and don't run ngcc

Refactors the detection logic for Angular project to take into account
`@angular/core` in google3.
If internal `@angular/core` is detected, do not run ngcc.

angular/vscode-ng-language-service,angular/vscode-ng-language-service,angular/vscode-ng-language-service,angular/vscode-ng-language-service