Updated copyright header for the files that are changed in 2021.1 (#8… #12

Job	Run time
build (centos78, rpm, centos_7.8)	11m 35s
build (centos8, rpm, centos_8.1)	11m 42s
build (ubuntu2004, deb, ubuntu_20.04)	11m 42s
build (ubuntu2204, deb, ubuntu_22.04)	11m 42s
build (amazonlinux-20202011111, rpm, amazonlinux20202011111)	11m 42s
build (ubuntu1804, deb, ubuntu_18.04)	11m 42s
package-download	0s
setenv-download	0s
Release_to_xco	0s
Upload_packages_to_Artifactory	0s
Release_to_all_sites	0s
gradle-artifactory-upload	0s
cleanup-build	0s
notify-slack	8s
	1h 10m 13s

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