Fix ExpandableList1 sample

- also increase android:targetSdkVersion to 17

Change-Id: Ibceb38f5514a7c321f75d267e40c338c0340b1ef

samples/ApiDemos/src/com/example/android/apis/view/ExpandableList1.java

@@ -118,7 +118,9 @@ public class ExpandableList1 extends ExpandableListActivity {
             // Center the text vertically
             textView.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT);
             // Set the text starting position
-            textView.setPadding(36, 0, 0, 0);
+            textView.setPaddingRelative(36, 0, 0, 0);
+            // Set the text alignment
+            textView.setTextAlignment(View.TEXT_ALIGNMENT_VIEW_START);
             return textView;
         }