Installer test BundleProbe.Bundle_Probe_Passed_For_Single_File_App failures on Linux_musl x64

[safern]

Builds

Build	Pull Request	Test Failure Count
#626420	Rolling	1
#626513	Rolling	1
#626634	Rolling	1
#626761	Rolling	1
#626950	Rolling	1
#627020	Rolling	1
#627303	Rolling	1
#627435	Rolling	1
#627770	Rolling	1
#627900	Rolling	1
#627940	Rolling	1
#627985	Rolling	1
#627992	Rolling	1
#628150	Rolling	1
#628240	Rolling	1

Configurations

• Installer-coreclr-Linux_musl_x64-Release

Expected command to pass but it did not."\nFile Name: /root/runtime/artifacts/tests/Release/ahb/1/BundleProbeTester/bundle/BundleProbeTester\nArguments: SingleFile\nExit Code: 253\nStdOut:\nUnexpected file hostpolicy.dll found in bundle.\n\nStdErr:\n\n"

   at FluentAssertions.Execution.XUnit2TestFramework.Throw(String message)
   at FluentAssertions.Execution.TestFrameworkProvider.Throw(String message)
   at FluentAssertions.Execution.DefaultAssertionStrategy.HandleFailure(String message)
   at FluentAssertions.Execution.AssertionScope.FailWith(String message, Object[] args)
   at Microsoft.DotNet.CoreSetup.Test.CommandResultAssertions.Pass() in /_/src/installer/test/TestUtils/Assertions/CommandResultAssertions.cs:line 31
   at AppHost.Bundle.Tests.BundleProbe.Bundle_Probe_Passed_For_Single_File_App() in /_/src/installer/test/Microsoft.NET.HostModel.Tests/AppHost.Bundle.Tests/BundleProbe.cs:line 46

https://dev.azure.com/dnceng/public/_build/results?buildId=628240&view=ms.vss-test-web.build-test-results-tab&runId=19618302&resultId=100000&paneView=debug

Docker image: mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.9-WithNode-0fc54a3-20190918214015

@swaroop-sridhar this is blocking clean rolling builds, can you please take a look?

cc: @dotnet/runtime-infrastructure

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[swaroop-sridhar]

OK I'll take a look into it.
I'll disable the test in the meantime so that rolling builds are green.

[safern]

Thanks, @swaroop-sridhar