[Android][libraries] Test suites failing with A JSON parsing exception #53097
Description
The following test suites are failing on Android arm64 on CI
System.IO.Pipes.Tests
System.Numerics.Vectors.Tests
System.Reflection.Emit.Tests
System.Xml.Misc.Tests
System.Xml.XmlNodeReader.Tests
System.Xml.XmlSerializer.Tests
System.Security.Claims.Tests
System.Security.Cryptography.Primitives.Tests
System.Text.RegularExpressions.Tests
A JSON parsing exception occurred in [C:\h\w\AA5F0978\p\microsoft.dotnet.xharness.cli\1.0.0-prerelease.21268.1\tools\net6.0\any\Microsoft.DotNet.XHarness.CLI.runtimeconfig.json], offset 0 (line 1, column 1): The document is empty.
Invalid runtimeconfig.json [C:\h\w\AA5F0978\p\microsoft.dotnet.xharness.cli\1.0.0-prerelease.21268.1\tools\net6.0\any\Microsoft.DotNet.XHarness.CLI.runtimeconfig.json] [C:\h\w\AA5F0978\p\microsoft.dotnet.xharness.cli\1.0.0-prerelease.21268.1\tools\net6.0\any\Microsoft.DotNet.XHarness.CLI.runtimeconfig.dev.json]