Use G1GC on JDK11+ (#2964) (#2971)

Update default jvm settings to use G1GC by default for
JDK11 and greater.

Signed-off-by: Matt Weber <matt@mattweber.org>
(cherry picked from commit 8bfb082)

Co-authored-by: Matt Weber <matt@mattweber.org>

distribution/src/config/jvm.options

@@ -33,19 +33,19 @@
 ################################################################
 
 ## GC configuration
-8-13:-XX:+UseConcMarkSweepGC
-8-13:-XX:CMSInitiatingOccupancyFraction=75
-8-13:-XX:+UseCMSInitiatingOccupancyOnly
+8-10:-XX:+UseConcMarkSweepGC
+8-10:-XX:CMSInitiatingOccupancyFraction=75
+8-10:-XX:+UseCMSInitiatingOccupancyOnly
 
 ## G1GC Configuration
 # NOTE: G1 GC is only supported on JDK version 10 or later
 # to use G1GC, uncomment the next two lines and update the version on the
 # following three lines to your version of the JDK
-# 10-13:-XX:-UseConcMarkSweepGC
-# 10-13:-XX:-UseCMSInitiatingOccupancyOnly
-14-:-XX:+UseG1GC
-14-:-XX:G1ReservePercent=25
-14-:-XX:InitiatingHeapOccupancyPercent=30
+# 10:-XX:-UseConcMarkSweepGC
+# 10:-XX:-UseCMSInitiatingOccupancyOnly
+11-:-XX:+UseG1GC
+11-:-XX:G1ReservePercent=25
+11-:-XX:InitiatingHeapOccupancyPercent=30
 
 ## JVM temporary directory
 -Djava.io.tmpdir=${OPENSEARCH_TMPDIR}