Browser: Remove references to android.util.Config

The semantics of Config.DEBUG will be changing soon, and all other
Config.* fields will become deprecated/hidden.

BUG=1780938
diff --git a/src/com/android/browser/GearsNativeDialog.java b/src/com/android/browser/GearsNativeDialog.java
index ecf166d..b44ec2a 100644
--- a/src/com/android/browser/GearsNativeDialog.java
+++ b/src/com/android/browser/GearsNativeDialog.java
@@ -23,7 +23,6 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
-import android.util.Config;
 import android.util.Log;
 import android.view.Gravity;
 import android.view.KeyEvent;
@@ -137,7 +136,7 @@
       return;
     }
 
-    if (Config.LOGV) {
+    if (Browser.LOGV_ENABLED) {
       Log.v(TAG, "dialogtype: " + dialogTypeString);
     }