RFR: 7903095: Use diamond operator in jtreg [v2]

[Jonathan Gibbons]

On Thu, 10 Feb 2022 07:23:57 GMT, Christian Stein <cstein at openjdk.org> wrote:

>> Update jtreg to use the diamond operator to eliminate reduct use of type arguments.
>
> Christian Stein has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Avoid `<>` with anonymous inner classes

Marked as reviewed by jjg (Lead).

src/share/classes/com/sun/javatest/regtest/agent/ActionHelper.java line 117:

> 115:                             Security.addProvider(p);
> 116:                         }
> 117:                         return null;

Slightly out of scope, but OK.

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PR: https://git.openjdk.java.net/jtreg/pull/52