Add @MainDex to DeviceDisplayInfo.

ui/android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java

Index: ui/android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java
diff --git a/ui/android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java b/ui/android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java
index 0a6f316ffab7473219c5567c460d41bc5f7847b9..a0cf87826c1cbdb1046eb977fce737fed4f0d8f8 100644
--- a/ui/android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java
+++ b/ui/android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java
@@ -16,6 +16,7 @@ import android.view.WindowManager;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
+import org.chromium.base.annotations.MainDex;
 
 /**
  * This class facilitates access to android information typically only
@@ -27,6 +28,7 @@ import org.chromium.base.annotations.JNINamespace;
  * This class is being Deprecated. Use DisplayAndroid instead where possible.
  */
 @JNINamespace("gfx")
+@MainDex
 public class DeviceDisplayInfo {
 
     private final Context mAppContext;