JDK 9 RFR of JDK-8074674: Doclint regression in java/util/regex/Matcher.java

[Amy Lu]

Please review the fix for Doclint regression in 
java/util/regex/Matcher.java:

    error: bad use of '>'
from
    * <tt>mr -> mr.group().toUpperCase()</tt>, an invocation of this 
method on

This fixed by using @code tag

bug: https://bugs.openjdk.java.net/browse/JDK-8074674
webrev: http://cr.openjdk.java.net/~amlu/8074674/webrev.00/

I also need a sponsor for this fix.

Thanks,
Amy