[PB11] Add a skeleton class for a self-updating progress bar

Bug: 7600384
Change-Id: I55b51152dd9968a359af091bf309f0d406f63ec4

java/res/layout/dictionary_line.xml

@@ -65,7 +65,7 @@
           android:textColor="?android:attr/textColorSecondary"
           android:maxLines="1" />
 
-      <ProgressBar
+      <com.android.inputmethod.dictionarypack.DictionaryDownloadProgressBar
           android:id="@+id/dictionary_line_progress_bar"
           style="@android:style/Widget.Holo.ProgressBar.Horizontal"
           android:layout_width="match_parent"

java/src/com/android/inputmethod/dictionarypack/DictionaryDownloadProgressBar.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy
+ * of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+package com.android.inputmethod.dictionarypack;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.ProgressBar;
+
+public class DictionaryDownloadProgressBar extends ProgressBar {
+    public DictionaryDownloadProgressBar(final Context context) {
+        super(context);
+    }
+
+    public DictionaryDownloadProgressBar(final Context context, final AttributeSet attrs) {
+        super(context, attrs);
+    }
+}