Fix "unsafe" JDK uses as determined by Forbidden APIs

Description

Specifically the "unsafe" checks are meant to replace our use of FindBugs to trigger build failures in cases of implicitly using the default Locale.

FindBugs was not working anyway - it allows all these calls correctly failed by Forbidden APIs

Environment

None

Assignee

Unassigned

Reporter

Steve Ebersole

Fix versions

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backPortable

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Suitable for new contributors

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Requires Release Note

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Pull Request

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backportDecision

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Components

Priority

Major
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