Refactoring package structure.

Part of #963.

src/androidTest/java/de/dennisguse/opentracks/content/sensor/SensorDataCyclingTest.java

@@ -1,5 +1,10 @@
 package de.dennisguse.opentracks.content.sensor;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNull;
+
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import org.junit.Ignore;
@@ -7,12 +12,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 
 import de.dennisguse.opentracks.content.data.Distance;
-import de.dennisguse.opentracks.util.UintUtils;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNull;
+import de.dennisguse.opentracks.services.sensors.UintUtils;
 
 @RunWith(AndroidJUnit4.class)
 public class SensorDataCyclingTest {

src/androidTest/java/de/dennisguse/opentracks/services/sensors/BluetoothUtilsTest.java

@@ -1,4 +1,4 @@
-package de.dennisguse.opentracks.util;
+package de.dennisguse.opentracks.services.sensors;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;

src/androidTest/java/de/dennisguse/opentracks/services/sensors/PressureSensorUtilsTest.java

@@ -1,10 +1,10 @@
-package de.dennisguse.opentracks.util;
-
-import org.junit.Test;
+package de.dennisguse.opentracks.services.sensors;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 
+import org.junit.Test;
+
 public class PressureSensorUtilsTest {
 
     // real data at 500Hz stationary

src/androidTest/java/de/dennisguse/opentracks/services/sensors/UintUtilsTest.java

@@ -1,9 +1,9 @@
-package de.dennisguse.opentracks.util;
-
-import org.junit.Test;
+package de.dennisguse.opentracks.services.sensors;
 
 import static org.junit.Assert.assertEquals;
 
+import org.junit.Test;
+
 public class UintUtilsTest {
 
     @Test

src/androidTest/java/de/dennisguse/opentracks/viewmodels/IntervalStatisticsTest.java

@@ -1,5 +1,8 @@
 package de.dennisguse.opentracks.viewmodels;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
 import android.content.Context;
 import android.util.Pair;
 
@@ -16,14 +19,11 @@ import de.dennisguse.opentracks.content.data.Distance;
 import de.dennisguse.opentracks.content.data.TestDataUtil;
 import de.dennisguse.opentracks.content.data.Track;
 import de.dennisguse.opentracks.content.data.TrackPoint;
+import de.dennisguse.opentracks.content.data.UnitConversions;
 import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
 import de.dennisguse.opentracks.content.provider.TrackPointIterator;
 import de.dennisguse.opentracks.stats.TrackStatistics;
 import de.dennisguse.opentracks.stats.TrackStatisticsUpdater;
-import de.dennisguse.opentracks.util.UnitConversions;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
 
 @RunWith(JUnit4.class)
 public class IntervalStatisticsTest {