Add horizontal indeterminate progress bar into ApiDemos

Change-Id: Iae72019d5ecdfbc710d01bd341b6de058d3b665a

samples/ApiDemos/res/layout/progressbar_2.xml

@@ -38,4 +38,10 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content" />
 
+    <ProgressBar android:id="@+id/progress_horizontal"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:indeterminate="true"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
 </LinearLayout>

samples/ApiDemos/src/com/example/android/apis/view/ProgressBar2.java

@@ -33,12 +33,6 @@ public class ProgressBar2 extends Activity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        // Request for the progress bar to be shown in the title
-        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
-        
         setContentView(R.layout.progressbar_2);
-        
-        // Make sure the progress bar is visible
-        setProgressBarVisibility(true);
     }
 }