[Android] Add gyp support for multidex.

net/android/junit/src/org/chromium/net/HttpNegotiateAuthenticatorTest.java

Index: net/android/junit/src/org/chromium/net/HttpNegotiateAuthenticatorTest.java
diff --git a/net/android/junit/src/org/chromium/net/HttpNegotiateAuthenticatorTest.java b/net/android/junit/src/org/chromium/net/HttpNegotiateAuthenticatorTest.java
index 86474073623dc6edf7afd148041e0a08f55ae130..2cc310470d524a709c001a3cdb6b17ae923286c9 100644
--- a/net/android/junit/src/org/chromium/net/HttpNegotiateAuthenticatorTest.java
+++ b/net/android/junit/src/org/chromium/net/HttpNegotiateAuthenticatorTest.java
@@ -29,6 +29,7 @@ import android.os.Bundle;
 import android.os.Handler;
 
 import org.chromium.base.BaseChromiumApplication;
+import org.chromium.base.test.shadows.ShadowMultiDex;
 import org.chromium.testing.local.LocalRobolectricTestRunner;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -44,9 +45,9 @@ import java.io.IOException;
  * Robolectric tests for HttpNegotiateAuthenticator
  */
 @RunWith(LocalRobolectricTestRunner.class)
-@Config(manifest = Config.NONE,
-        shadows = HttpNegotiateAuthenticatorTest.ExtendedShadowAccountManager.class,
-        application = BaseChromiumApplication.class)
+@Config(manifest = Config.NONE, application = BaseChromiumApplication.class,
+        shadows = {HttpNegotiateAuthenticatorTest.ExtendedShadowAccountManager.class,
+                ShadowMultiDex.class})
 public class HttpNegotiateAuthenticatorTest {
     static int sCallCount = 0;
     static String sAccountTypeReceived;