Theming: activity icons are now in textColorPrimary.

And replaced spinner in StatisticsRecordedFragment.

src/main/res/layout/list_item.xml

@@ -14,6 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
@@ -57,7 +58,8 @@ limitations under the License.
                     android:layout_gravity="center_vertical"
                     android:layout_marginLeft="8dp"
                     android:layout_marginRight="8dp"
-                    android:contentDescription="@string/image_track" />
+                    android:contentDescription="@string/image_track"
+                    app:tint="?android:textColorPrimary" />
                 <!-- Table 1: Row 1: Column 2: (Table 2) -->
                 <TableLayout
                     android:layout_width="match_parent"

src/main/res/layout/statistics_recorded.xml

@@ -68,15 +68,16 @@
             app:layout_constraintRight_toLeftOf="@+id/guideline3"
             app:layout_constraintTop_toTopOf="parent" />
 
-        <Spinner
+        <ImageView
             android:id="@+id/stats_activity_type_icon"
-            style="@style/StatsLargeValue"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             app:layout_constraintLeft_toRightOf="@+id/guideline2"
             app:layout_constraintRight_toLeftOf="@+id/guideline3"
             app:layout_constraintBottom_toBottomOf="@+id/stats_distance_value"
-            app:layout_constraintTop_toTopOf="@+id/stats_distance_value" />
+            app:layout_constraintTop_toTopOf="@+id/stats_distance_value"
+            app:tint="?android:attr/textColorPrimary"
+            app:tintMode="src_atop" />
 
         <!-- Total time -->
         <TextView