feature symfony#25562 allow autowire for http_utils class (do-see)

This PR was merged into the 4.1-dev branch.

Discussion
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allow autowire for http_utils class

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | none
| License       | MIT
| Doc PR        | n.a.

This PR enables autowire for `Symfony\Component\Security\Http\HttpUtils`.
We use this for an custom authenticator.

Commits
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b1030d7 allow autowire for http_utils class

Author: Robin Chalas

src/Symfony/Bundle/SecurityBundle/Resources/config/security.xml

@@ -182,6 +182,7 @@
             <argument type="service" id="router" on-invalid="null" />
             <argument type="service" id="router" on-invalid="null" />
         </service>
+        <service id="Symfony\Component\Security\Http\HttpUtils" alias="security.http_utils" />
 
 
         <!-- Validator -->