UnitConversation: always use double for division.

Fixed wrong computation (00:00) of total time.

Author: dennisguse

src/main/java/de/dennisguse/opentracks/content/DescriptionGeneratorImpl.java

@@ -138,9 +138,7 @@ private String generateTripStatisticsDescription(TripStatistics stats, boolean h
         writeGrade(stats.getMinGrade(), builder, R.string.description_min_grade, lineBreak);
 
         // Recorded time
-        builder.append(
-                context.getString(R.string.description_recorded_time,
-                        StringUtils.formatDateTime(context, stats.getStartTime())));
+        builder.append(context.getString(R.string.description_recorded_time, StringUtils.formatDateTime(context, stats.getStartTime())));
         builder.append(lineBreak);
 
         return builder.toString();

src/main/java/de/dennisguse/opentracks/util/UnitConversions.java

@@ -29,7 +29,7 @@ public class UnitConversions {
     // 1 second in milliseconds
     public static final long ONE_SECOND = UnitConversions.S_TO_MS;
     // multiplication factor to convert milliseconds to seconds
-    public static final double MS_TO_S = 1 / S_TO_MS;
+    public static final double MS_TO_S = 1d / S_TO_MS;
     // multiplication factor to convert minutes to seconds
     public static final double MIN_TO_S = 60.0;
     // multiplication factor to convert seconds to minutes