Suppress FileLength for RuntimeEnvironment.java

Currently open PRs take the file above the
default 2000 limit.

Author: idodeclare

dev/checkstyle/suppressions.xml

@@ -39,6 +39,8 @@ Portions Copyright (c) 2018-2019, Chris Fraire <cfraire@me.com>.
         |JFlexXrefUtils\.java|FileAnalyzerFactory\.java|SearchController\.java|
         |Context\.java|HistoryContext\.java|Suggester\.java" />
 
+    <suppress checks="FileLength" files="RuntimeEnvironment\.java" />
+
     <suppress checks="MethodLength" files="Indexer\.java" />
 
     <suppress checks="JavadocStyle" files="MellonHeaderDecoder\.java|CustomSloppyPhraseScorer\.java|