[Cronet] Use Https for Quic Test Server

components/cronet/android/java/src/org/chromium/net/CronetEngine.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.net;
 
 import android.content.Context;
 import android.util.Log;
 
 import org.json.JSONArray;
@@ skipping 274 matching lines @@
          *
          * @param quicConnectionOptions comma-separated QUIC options (for example
          * "PACE,IW10") to use if QUIC is enabled.
          * @return the builder to facilitate chaining.
          */
         public Builder setExperimentalQuicConnectionOptions(String quicConnectionOptions) {
             return putString(CronetEngineBuilderList.QUIC_OPTIONS, quicConnectionOptions);
         }
 
         /**
+         * Sets a list of of mock certs to trust in testing.
+         * @param mockCerts a comma delimited list of cert files.
+         */
+        Builder setMockCertsForTesting(String mockCerts) {
+            return putString(CronetEngineBuilderList.MOCK_CERTS_FOR_TESTING, mockCerts);
+        }
+
+        /**
          * Get JSON string representation of the builder.
          */
         @Override
         public String toString() {
             return mConfig.toString();
         }
 
         /**
          * Returns {@link Context} for builder.
          *
@@ skipping 249 matching lines @@
                 cronetEngine = possibleEngine;
             }
         } catch (ClassNotFoundException e) {
             // Leave as null.
         } catch (Exception e) {
             throw new IllegalStateException("Cannot instantiate: " + CRONET_URL_REQUEST_CONTEXT, e);
         }
         return cronetEngine;
     }
 }