Move to Android ShareSheet.

src/main/res/drawable/ic_share_24dp.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92 1.61,0 2.92,-1.31 2.92,-2.92s-1.31,-2.92 -2.92,-2.92z" />
+</vector>

src/main/res/menu/list_context_menu.xml

@@ -17,8 +17,8 @@ limitations under the License.
     xmlns:app="http://schemas.android.com/apk/res-auto">
     <item
         android:id="@+id/list_context_menu_share"
+        android:icon="@drawable/ic_share_24dp"
         android:title="@string/menu_share"
-        app:actionProviderClass="androidx.appcompat.widget.ShareActionProvider"
         app:showAsAction="ifRoom" />
     <item
         android:id="@+id/list_context_menu_show_on_map"

src/main/res/menu/track_detail.xml

@@ -34,7 +34,7 @@ limitations under the License.
         android:title="@string/menu_show_on_map" />
     <item
         android:id="@+id/track_detail_share"
-        app:actionProviderClass="androidx.appcompat.widget.ShareActionProvider"
+        android:icon="@drawable/ic_share_24dp"
         android:orderInCategory="4"
         app:showAsAction="ifRoom"
         android:title="@string/menu_share" />