Merging to head.

MyTracks/AndroidManifest.xml

@@ -17,8 +17,8 @@ limitations under the License.
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="com.google.android.maps.mytracks"
           android:installLocation="auto"
-          android:versionCode="27"
-          android:versionName="1.1.4">
+          android:versionCode="28"
+          android:versionName="1.1.5">
   <application android:icon="@drawable/arrow_icon"
                android:label="@string/app_name"
                android:backupAgent="com.google.android.apps.mytracks.io.backup.MyTracksBackupAgent">

MyTracks/src/com/google/android/apps/mytracks/content/TrackDataHub.java

@@ -525,6 +525,10 @@ public class TrackDataHub {
 
           // If this is the only listener we have registered, keep the state that we serve to it as
           // a reference for other future listeners.
+          if (isOnlyListener && reloadAll) {
+            resetState();
+          }
+
           notifyPointsUpdated(isOnlyListener,
               minPointId,
               previousNumPoints,

MyTracks/src/com/google/android/apps/mytracks/services/sensors/ZephyrMessageParser.java

@@ -40,7 +40,7 @@ public class ZephyrMessageParser implements MessageParser {
     Log.w(Constants.TAG, "Got zephyr data: " + sb);
     // Heart Rate
     Sensor.SensorData.Builder heartrate = Sensor.SensorData.newBuilder()
-        .setValue(buffer[12])
+        .setValue(buffer[12] & 0xFF)
         .setState(Sensor.SensorState.SENDING);
     // Changes Nico Laum (Power and Cadence)
     Sensor.SensorData.Builder power = Sensor.SensorData.newBuilder()