RFR: 8198317: Enhance JavacTool.getTask for flexibility [v2]

[Guoxiong Li]

On Mon, 15 Mar 2021 11:23:38 GMT, Jan Lahoda <jlahoda at openjdk.org> wrote:

>> This is a clone of https://github.com/openjdk/jdk/pull/1896, which got closed by Skara.
>> 
>> @lgxbslgx, please let me know if you would prefer to resubmit the PR yourself.
>
> Jan Lahoda has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Updating test per review comments.

The [original patch](https://github.com/openjdk/jdk/pull/1896) began at Dec 2020. About four months passed. Could somebody help me push this patch? Thanks a lot.

test/langtools/tools/javac/api/TestContextLoggingOutput.java line 2:

> 1: /*
> 2:  * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.

The copyright should be updated to 2021.

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PR: https://git.openjdk.java.net/jdk/pull/2871