[Android] Test failure: System.IO.Tests.ErrorHandlingTests.DeleteDirectoryAfterOpening

net6.0-Android-Release-x64-Mono_Release-Ubuntu.1804.Amd64.Android.Open

https://dev.azure.com/dnceng/public/_build/results?buildId=1242005&view=ms.vss-test-web.build-test-results-tab&runId=36932482&paneView=debug

<test name="System.IO.Tests.ErrorHandlingTests.DeleteDirectoryAfterOpening" type="System.IO.Tests.ErrorHandlingTests" method="DeleteDirectoryAfterOpening" time="0.0278008" result="Fail">
    <failure exception-type="Xunit.Sdk.EqualException">
        <message><![CDATA[Assert.Equal() Failure\nExpected: 0\nActual:   1]]></message>
        <stack-trace><![CDATA[   at System.IO.Tests.ErrorHandlingTests.DeleteDirectoryAfterOpening() in /_/src/libraries/System.IO.FileSystem/tests/Enumeration/ErrorHandlingTests.cs:line 99
            at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) in System.Private.CoreLib.dll:token 0x6004f5e+0x6a]]></stack-trace>
    </failure>
</test>

cc @steveisok