RFR: 8279614: The left line of the TitledBorder is not painted on 150 scale factor [v8]

[Alisen Chung]

On Wed, 20 Apr 2022 23:35:10 GMT, lukeu <duke at openjdk.java.net> wrote:

>> Made a small change with the bottom line to match the left line of the border
>
>> Made a small change with the bottom line to match the left line of the border
> 
> Great, that looks like it'll fix it so I won't test again, I'll defer to the others now for the code review. (I'd be happy to chip in there too, but I'm not sure if "random guy on github" is qualified/authorized to?)

@lukeu @prrace I've updated the fix and test, can you guys take a look?

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PR: https://git.openjdk.java.net/jdk/pull/7449