git: openjdk/jdk: 8290300: Use standard String-joining tools where applicable

[Claes Redestad]

Changeset: 9a65524e
Author:    Sergey Tsypanov <sergei.tsypanov at yandex.ru>
Committer: Claes Redestad <redestad at openjdk.org>
Date:      2022-08-21 17:22:10 +0000
URL:       https://git.openjdk.org/jdk/commit/9a65524e2f98c1b4e253dcb637a708cec7b591bc

8290300: Use standard String-joining tools where applicable

Reviewed-by: naoto, rriggs, dfuchs

! src/java.base/share/classes/java/lang/ProcessBuilder.java
! src/java.base/share/classes/java/util/Locale.java
! src/java.base/share/classes/sun/net/www/protocol/http/HttpURLConnection.java
! src/java.base/windows/classes/sun/nio/fs/WindowsPath.java