chore: adjust formatting to new clang-format.

- fixes wrapping for object literal keys called `template`.
- spacing in destructuring expressions.
- changes to keep trailing return types of functions closer to their
  function declaration.
- better formatting of string literals.

Closes #4828

modules/angular2/src/core/di/provider.ts

@@ -686,8 +686,8 @@ function _extractToken(typeOrFunc, metadata /*any[] | any*/, params: any[][]): D
   }
 }
 
-function _createDependency(token, optional, lowerBoundVisibility, upperBoundVisibility, depProps):
-    Dependency {
+function _createDependency(token, optional, lowerBoundVisibility, upperBoundVisibility,
+                           depProps): Dependency {
   return new Dependency(Key.get(token), optional, lowerBoundVisibility, upperBoundVisibility,
                         depProps);
 }