chore(deps): update dependency xamarin.androidx.media to 1.7.1 (#4145)

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This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [Xamarin.AndroidX.Media](https://aka.ms/android-libraries)
([source](https://redirect.github.com/xamarin/AndroidX)) | `1.7.0.11` ->
`1.7.1` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Xamarin.AndroidX.Media/1.7.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/Xamarin.AndroidX.Media/1.7.0.11/1.7.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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integrationtests/IntegrationTests.Android/IntegrationTests.Android.csproj

@@ -100,7 +100,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Xamarin.Android.Support.Design" Version="28.0.0.3" />
-    <PackageReference Include="Xamarin.AndroidX.Media" Version="1.7.0.11" />
+    <PackageReference Include="Xamarin.AndroidX.Media" Version="1.7.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\src\ReactiveUI.AndroidX\ReactiveUI.AndroidX.csproj">