Use hostname verifier directly instead of instance

Instead of local instance of the default HostnameVerifier, use it
directly from HttpsURLConnection. This avoids class preloading creating
an instance of it before it's necessary.

Bug: 9984058
Change-Id: I780249dbd3c7bb346e1b275dcb68e4e2be7ebbbb

core/java/android/net/SSLCertificateSocketFactory.java

@@ -81,9 +81,6 @@ public class SSLCertificateSocketFactory extends SSLSocketFactory {
         }
     };
 
-    private static final HostnameVerifier HOSTNAME_VERIFIER =
-        HttpsURLConnection.getDefaultHostnameVerifier();
-
     private SSLSocketFactory mInsecureFactory = null;
     private SSLSocketFactory mSecureFactory = null;
     private TrustManager[] mTrustManagers = null;
@@ -196,7 +193,7 @@ public class SSLCertificateSocketFactory extends SSLSocketFactory {
             if (session == null) {
                 throw new SSLException("Cannot verify SSL socket without session");
             }
-            if (!HOSTNAME_VERIFIER.verify(hostname, session)) {
+            if (!HttpsURLConnection.getDefaultHostnameVerifier().verify(hostname, session)) {
                 throw new SSLPeerUnverifiedException("Cannot verify hostname: " + hostname);
             }
         }