Updated tracing for netty unittests

[isaacrivriv]

for #25809
Adding a way to be able to view traces in builds by pushing all output tracing to the console

[isaacrivriv]

#build

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[websterc87]

Would recommend the gradle portion of this is not delivered as the logs are already available in open-liberty.unitTest.results.zip. See Discussion in LibertyOps

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The build isaacrivriv-25810-20230725-1314
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[isaacrivriv]

#build

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[isaacrivriv]

#build

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The build isaacrivriv-25810-20230802-1401
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[isaacrivriv]

#libby

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[hutchig]

LGTM!

[websterc87]

LGTM