[Android] Enable multidex for debug builds of ChromePublic.

base/android/java/src/org/chromium/base/ApplicationStatus.java

Index: base/android/java/src/org/chromium/base/ApplicationStatus.java
diff --git a/base/android/java/src/org/chromium/base/ApplicationStatus.java b/base/android/java/src/org/chromium/base/ApplicationStatus.java
index 5035b9cabfb0f182d869d154ced60f290bdcccdc..9f775958491811c93237391ad9c55964dd29d2c9 100644
--- a/base/android/java/src/org/chromium/base/ApplicationStatus.java
+++ b/base/android/java/src/org/chromium/base/ApplicationStatus.java
@@ -12,6 +12,7 @@ import android.os.Bundle;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
+import org.chromium.base.annotations.MainDex;
 
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
@@ -24,6 +25,7 @@ import java.util.concurrent.ConcurrentHashMap;
  * to register / unregister listeners for state changes.
  */
 @JNINamespace("base::android")
+@MainDex
 public class ApplicationStatus {
     private static class ActivityInfo {
         private int mStatus = ActivityState.DESTROYED;