build(aio): simplify the primary overload's anchor

The primary link to a member should simply be its name, and not require
the parameter list.

(cherry picked from commit ffda3e41e0)

aio/tools/transforms/angular-api-package/index.js

@@ -24,6 +24,7 @@ module.exports = new Package('angular-api', [basePackage, typeScriptPackage])
   .processor(require('./processors/markBarredODocsAsPrivate'))
   .processor(require('./processors/filterPrivateDocs'))
   .processor(require('./processors/computeSearchTitle'))
+  .processor(require('./processors/simplifyMemberAnchors'))
 
   // Where do we get the source files?
   .config(function(readTypeScriptModules, readFilesProcessor, collectExamples) {