Rename refresh to sync now

MyTracks/res/menu/track_list.xml

@@ -31,9 +31,9 @@ limitations under the License.
     android:id="@+id/track_list_play_mutliple"
     android:title="@string/menu_play_multiple"/>
   <item
-    android:icon="@drawable/ic_menu_refresh"
-    android:id="@+id/track_list_refresh"
-    android:title="@string/menu_refresh"/>
+    android:icon="@drawable/ic_menu_sync_now"
+    android:id="@+id/track_list_sync_now"
+    android:title="@string/menu_sync_now"/>
   <item
     android:icon="@drawable/ic_menu_aggregated_statistics"
     android:id="@+id/track_list_aggregated_statistics"

MyTracks/res/values/strings.xml

@@ -1200,12 +1200,6 @@ limitations under the License.
       Character limit: ~20 (1 line)">
     Play multiple
   </string>
-  <string name="menu_refresh"
-    translation_description="In the menu, to refresh with Google Drive.
-
-      Character limit: ~20 (1 line)">
-    Refresh
-  </string>
   <string name="menu_satellite"
     translation_description="In the menu, under the map layer option, the submenu to display
       satellite.
@@ -1256,6 +1250,12 @@ limitations under the License.
       Character limit: ~20 (1 line)">
     Sync to Google Drive
   </string>
+  <string name="menu_sync_now"
+    translation_description="In the menu, to sync now with Google Drive.
+
+      Character limit: ~20 (1 line)">
+    Sync now
+  </string>
   <string name="menu_show_on_map"
     translation_description="In the menu, to show a track or a marker on the map.