YARN-10488. Several typos in package: org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair (#2485)

Co-authored-by: akumar <akumar@cloudera.com>
Reviewed-by: Wei-Chiu Chuang <weichiu@apache.org>
Reviewed-by: Akira Ajisaka <aajisaka@apache.org>
5 files changed