Use stats_core.xml layout for

- AggregatedStatsActivity
- StatsFragment
- MarkerDetailActivity
Remove StatsUtilities. Use StatsUtils to set all stats labels and values.

MyTracks/res/layout/aggregated_stats.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2012 Google Inc.
+
+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.
+-->
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+  style="@style/ScrollView">
+  <TableLayout
+    android:layout_height="wrap_content"
+    android:layout_width="fill_parent"
+    android:padding="8dp"
+    android:shrinkColumns="0,2"
+    android:stretchColumns="0,2" >
+    <include layout="@layout/stats_core" />
+  </TableLayout>
+</ScrollView>