RFR: JDK-8242522: Minor LingeredApp improvements

[Leonid Mesnik]

Looks good. (Not a 'R'eview though.)

Leonid.

> On Apr 24, 2020, at 3:17 PM, Alex Menkov <alexey.menkov at oracle.com> wrote:
> 
> Hi all,
> 
> Please review the fix for
> https://bugs.openjdk.java.net/browse/JDK-8242522
> webrev:
> http://cr.openjdk.java.net/~amenkov/jdk15/LingeredApp_improve/webrev/
> 
> The fix contains minor fixes/improvements for LingeredApp and tests which use it. See jira for details.
> 
> Tested all tests which use LingeredApp.
> 
> --alex