HADOOP-17730. Add back error_prone (#18)

Reviewed-by: Ayush Saxena <ayushsaxena@apache.org>
Reviewed-by: Takanobu Asanuma <tasanuma@apache.org>
Reviewed-by: Akira Ajisaka <aajisaka@apache.org>
(cherry picked from commit a476f24008c9fe21b385ab57d9a36289153ac8a3)
3 files changed