git: openjdk/jdk: 8263552: Use String.valueOf() for char-to-String conversions

[Claes Redestad]

Changeset: c0176c42
Author:    Sergey Tsypanov <sergei.tsypanov at yandex.ru>
Committer: Claes Redestad <redestad at openjdk.org>
Date:      2021-03-15 11:18:59 +0000
URL:       https://git.openjdk.java.net/jdk/commit/c0176c42

8263552: Use String.valueOf() for char-to-String conversions

Reviewed-by: redestad, vtewari, azvegint, chegar

! src/java.base/share/classes/java/io/ObjectStreamClass.java
! src/java.base/share/classes/javax/crypto/CryptoPolicyParser.java
! src/java.base/share/classes/jdk/internal/reflect/SignatureIterator.java
! src/java.base/share/classes/sun/invoke/util/Wrapper.java
! src/java.base/share/classes/sun/security/provider/PolicyParser.java
! src/java.desktop/share/classes/javax/swing/text/NumberFormatter.java