tools/launcher/MultipleJRE.sh fails on Windows because of extra-''

FULL PRODUCT VERSION :
JDK under test: C:\\Java\\jdk1.8.0_131
java version "1.8.0_131"
Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)

JDK under test: C:\\Program Files\\Java\\jdk-9
java version "9-ea"
Java(TM) SE Runtime Environment (build 9-ea+148)
Java HotSpot(TM) 64-Bit Server VM (build 9-ea+148, mixed mode)


ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 10.0.14393]

A DESCRIPTION OF THE PROBLEM :
The test tools/launcher/MultipleJRE.sh fails on Windows with the following diagnostic:

Launched openjdk version "1.8.0_152-release"
OpenJDK Runtime Environment (build 1.8.0_152-release-855-b1)
OpenJDK 64-Bit Server VM (build 25.152-b1, mixed mode)
, expected 1.8.0_152-release

The test was executed with debug options (bash -x) under cygwin. Here is a piece of its output:
=================8<------------------------------
+ mess='java version "1.8.0_131"
Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)'
+ '[' 0 -ne 0 ']'
+ echo java version '"1.8.0_131"' 'Java(TM)' SE Runtime Environment '(build' '1.8.0_131-b11)' Java 'HotSpot(TM)' 64-Bit Server VM '(build' 25.131-b11, mixed 'mode)'
+ grep $'1.8.0_131\r'
+ '[' 1 '!=' 0 ']'
+ echo 'Launched java version "1.8.0_131"
Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode), expected 1.8.0_131'
=================8<------------------------------
The test extracts version as "1.8.0_131" while grep tries to find "1.8.0_131\r"

The failure was observed on both Java 8 and 9


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
jtreg -v -a -xml -testjdk:C:/Java/jdk1.8.0_131 tools/launcher/MultipleJRE.sh


ERROR MESSAGES/STACK TRACES THAT OCCUR :
#section:shell
----------messages:(3/119)----------
command: shell MultipleJRE.sh
reason: User specified action: run shell MultipleJRE.sh
elapsed time (seconds): 0.45
----------System.out:(4/178)----------
Launched java version "1.8.0_131"
Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)
, expected 1.8.0_131
----------System.err:(0/0)----------
----------rerun:(20/1535)*----------
PATH='C:\\cygwin64\\usr\\local\\bin;C:\\cygwin64\\bin;C:\\ProgramData\\Oracle\\Java\\javapath;C:\\Program Files (x86)\\Intel\\iCLS Client;C:\\Program Files\\Intel\\iCLS Client;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem;C:\\WINDOWS\\System32\\WindowsPowerShell\\v1.0;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\DAL;C:\\Program Files\\Intel\\Intel(R) Management Engine Components\\IPT;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine Components\\IPT;C:\\Program Files (x86)\\ATI Technologies\\ATI.ACE\\Core-Static;C:\\Program Files\\Git\\cmd;C:\\tools\\apache-ant-1.10.1\\bin;C:\\cygwin64\\bin;C:\\Users\\vprovodin\\AppData\\Local\\Microsoft\\WindowsApps' \\
SystemDrive=C: \\
SystemRoot='C:\\WINDOWS' \\
TEMP='C:\\cygwin64\\tmp' \\
TMP='C:\\cygwin64\\tmp' \\
TZ=Asia/Krasnoyarsk \\
windir='C:\\WINDOWS' \\
TESTSRC=C:/cygwin64/home/vprovodin/jdk8u/jdk8/test/tools/launcher \\
TESTSRCPATH=C:/cygwin64/home/vprovodin/jdk8u/jdk8/test/tools/launcher \\
TESTCLASSES=C:/cygwin64/home/vprovodin/jdk8u/jdk8/test/JTwork/classes/tools/launcher \\
TESTCLASSPATH=C:/cygwin64/home/vprovodin/jdk8u/jdk8/test/JTwork/classes/tools/launcher \\
COMPILEJAVA=C:/Java/jdk1.8.0_131 \\
TESTJAVA=C:/Java/jdk1.8.0_131 \\
TESTVMOPTS= \\
TESTTOOLVMOPTS= \\
TESTJAVACOPTS= \\
TESTJAVAOPTS= \\
TESTTIMEOUTFACTOR=1.0 \\
    sh \\
        'C:\\cygwin64\\home\\vprovodin\\jdk8u\\jdk8\\test\\tools\\launcher\\MultipleJRE.sh'
result: Failed. Execution failed: exit code 1


test result: Failed. Execution failed: exit code 1

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/file/4c95cacb8ec7/test/tools/launcher/MultipleJRE.sh
---------- END SOURCE ----------