RFR: 8293515: heapShared.cpp: rename JavaThread parameter to current

[Coleen Phillimore]

On Tue, 27 Sep 2022 13:51:39 GMT, Matias Saavedra Silva <duke at openjdk.org> wrote:

> Replaced instances of THREAD with current and placed the parameter at the beginning rather than the end. Necessary instances of THREAD were initialized with current. Verified with tier 1 tests. Please review.

This looks good!

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Marked as reviewed by coleenp (Reviewer).

PR: https://git.openjdk.org/jdk/pull/10451