chore(deps): update dependency xamarin.android.support.media.compat to 28.0.0.3

Author: renovate[bot]

Xamarin/ReactiveRecyclerView/Droid/TestApp.Droid.csproj

@@ -123,7 +123,7 @@
       <Version>28.0.0.1</Version>
     </PackageReference>
     <PackageReference Include="Xamarin.Android.Support.Media.Compat">
-      <Version>28.0.0.1</Version>
+      <Version>28.0.0.3</Version>
     </PackageReference>
     <PackageReference Include="Xamarin.Android.Support.Print">
       <Version>28.0.0.1</Version>