[Android] Add gyp support for multidex.

base/test/android/javatests/src/org/chromium/base/test/BaseInstrumentationTestRunner.java

Index: base/test/android/javatests/src/org/chromium/base/test/BaseInstrumentationTestRunner.java
diff --git a/base/test/android/javatests/src/org/chromium/base/test/BaseInstrumentationTestRunner.java b/base/test/android/javatests/src/org/chromium/base/test/BaseInstrumentationTestRunner.java
index 35fe9b9bd1b4a541772ba5588a2426ef7dbc3b22..0eab2314b40b7abec9e44e6ef52c18e60e952365 100644
--- a/base/test/android/javatests/src/org/chromium/base/test/BaseInstrumentationTestRunner.java
+++ b/base/test/android/javatests/src/org/chromium/base/test/BaseInstrumentationTestRunner.java
@@ -8,6 +8,7 @@ import android.content.Context;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.os.Build;
+import android.os.Bundle;
 import android.test.AndroidTestRunner;
 import android.test.InstrumentationTestRunner;
 import android.text.TextUtils;
@@ -17,6 +18,7 @@ import junit.framework.TestResult;
 
 import org.chromium.base.Log;
 import org.chromium.base.SysUtils;
+import org.chromium.base.multidex.ChromiumMultiDex;
 import org.chromium.base.test.BaseTestResult.SkipCheck;
 import org.chromium.base.test.util.MinAndroidSdkLevel;
 import org.chromium.base.test.util.Restriction;
@@ -32,6 +34,12 @@ public class BaseInstrumentationTestRunner extends InstrumentationTestRunner {
     private static final String TAG = "cr.base.test";
 
     @Override
+    public void onCreate(Bundle arguments) {
+        ChromiumMultiDex.install(getTargetContext());
+        super.onCreate(arguments);
+    }
+
+    @Override
     protected AndroidTestRunner getAndroidTestRunner() {
         AndroidTestRunner runner = new AndroidTestRunner() {
             @Override