hg: jdk9/sandbox/jdk: JDK-8054307-branch: fix toUpper/LowerCase issue and some cleanup

[xueming.shen at oracle.com]

Changeset: efc0b5ccb5d1
Author:    sherman
Date:      2015-09-29 16:16 +0000
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/efc0b5ccb5d1

JDK-8054307-branch: fix toUpper/LowerCase issue and some cleanup

! src/java.base/share/classes/java/lang/AbstractStringBuilder.java
! src/java.base/share/classes/java/lang/String.java
! src/java.base/share/classes/java/lang/StringUTF16.java
! test/java/lang/String/CompactString/CompactString.java
! test/java/lang/String/CompactString/Numbers.java
! test/java/lang/String/CompactString/Trim.java
! test/java/lang/String/CompactString/ValueOf.java
! test/java/lang/String/ToLowerCase.java
! test/java/lang/String/ToUpperCase.java
! test/sun/nio/cs/TestStringCoding.java