Cleanup: mainly code formatting and made LocationIterator implement autoclosable.

src/androidTest/java/de/dennisguse/opentracks/services/tasks/AnnouncementPeriodicTaskFactoryTest.java

@@ -30,7 +30,6 @@ import org.junit.runner.RunWith;
 
 /**
  * Tests for {@link AnnouncementPeriodicTaskFactory}.
- * These tests require Donut+ to run.
  *
  * @author Rodrigo Damazio
  */

src/androidTest/java/de/dennisguse/opentracks/services/tasks/AnnouncementPeriodicTaskTest.java

@@ -52,8 +52,10 @@ import static org.mockito.Mockito.when;
 
 /**
  * Tests for {@link AnnouncementPeriodicTask}.
- * WARNING: I'm not responsible if your eyes start bleeding while reading this
- * code. You have been warned. It's still better than no test, though.
+ *
+ * WARNING: I'm not responsible if your eyes start bleeding while reading this code.
+ * You have been warned.
+ * It's still better than no test, though.
  *
  * @author Rodrigo Damazio
  */