Xamarin LinkAssemblies build failure

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I'm trying to do a release build of my Xamarin.Android app in Team Services and have got the following error:

The "LinkAssemblies" task failed unexpectedly.
Java.Interop.Tools.Diagnostics.XamarinAndroidException: error XA2006: Could 
not resolve reference to 'System.Void.Android.Support.CustomTabs.CustomTabsIntent::LaunchUrl(Android.App.
Activity,Android.Net.Uri)' (defined in assembly 
'Microsoft.Azure.Mobile.Client, Version=4.0.1.0, Culture=neutral, 
PublicKeyToken=31bf3856ad364e35') with scope 
'Xamarin.Android.Support.CustomTabs, Version=1.0.0.0, Culture=neutral, 
PublicKeyToken=null'. When the scope is different from the defining 
assembly, it usually means that the type is forwarded. ---> 
Mono.Cecil.ResolutionException: Failed to resolve System.Void.Android.Support.CustomTabs.CustomTabsIntent::LaunchUrl(Android.App.Activity,Android.Net.Uri)
at Mono.Linker.Steps.MarkStep.MarkMethod(MethodReference reference)
at Mono.Linker.Steps.MarkStep.MarkInstruction(Instruction instruction)
at Mono.Linker.Steps.MarkStep.MarkMethodBody(MethodBody body)
at Mono.Linker.Steps.MarkStep.ProcessMethod(MethodDefinition method)
at Mono.Linker.Steps.MarkStep.ProcessQueue()
at Mono.Linker.Steps.MarkStep.Process()
at Mono.Linker.Steps.MarkStep.Process(LinkContext context)
at MonoDroid.Tuner.MonoDroidMarkStep.Process(LinkContext context)
at Mono.Linker.Pipeline.Process(LinkContext context)
at MonoDroid.Tuner.Linker.Process(LinkerOptions options, LinkContext& 
context)
at Xamarin.Android.Tasks.LinkAssemblies.Execute(DirectoryAssemblyResolver res)
--- End of inner exception stack trace ---
at Java.Interop.Tools.Diagnostics.Diagnostic.Error(Int32 code, Exception innerException, String message, Object[] args)
at Xamarin.Android.Tasks.LinkAssemblies.Execute(DirectoryAssemblyResolver res)
at Xamarin.Android.Tasks.LinkAssemblies.Execute()
at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__26.MoveNext()

I can see that it's probably related to the package Microsoft.Azure.Mobile.Client but not sure what I would have to do to resolve it (I'm quite new to Xamarin so not sure what to do with this information).

My minSdkVersion is 21.

Thanks

1 Answers
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