RFR: 8274899: Replace usages of Collections.sort with List.sort call in jdk.hotspot.agent

[Albert Mingkun Yang]

On Sat, 25 Sep 2021 11:15:35 GMT, Andrey Turbanov <duke at openjdk.java.net> wrote:

> Collections.sort is just a wrapper, so it is better to use an instance method directly.

Marked as reviewed by ayang (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/5697