Fix errors caught by aapt2

Fixes:
external/androidplot/Examples/DemoApp/res/values/style.xml:17: error: root element must be <resources>.

Bug: 79481102
Test: m java FORCE_AAPT2=true
Change-Id: I2653e3bb0b89fff1443ee43d93ccc1e96c0b65af
diff --git a/Examples/DemoApp/res/values/style.xml b/Examples/DemoApp/res/values/style.xml
index d465715..188f3a0 100644
--- a/Examples/DemoApp/res/values/style.xml
+++ b/Examples/DemoApp/res/values/style.xml
@@ -14,7 +14,7 @@
   ~    limitations under the License.

   -->

 

-<resources xmlns="http://schemas.android.com/apk/lib/com.androidplot.xy">

+<resources xmlns:android="http://schemas.android.com/apk/lib/com.androidplot.xy">

     <style name="sample_activity">

         <item name="android:layout_width">fill_parent</item>

         <item name="android:layout_height">fill_parent</item>

@@ -31,4 +31,4 @@
         <!--<item name="XYPlot:androidplot.title">my domain</item>-->

     </style>

 

-</resources>
\ No newline at end of file
+</resources>