HBASE-26369 Fix checkstyle issues for KeyValue and ByteBufferUtils

[NishthaShah]

Cherry-pick #3765

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 33s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	hbaseanti	0m 0s	Patch does not have any anti-patterns.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
		_ branch-2 Compile Tests _
+1 💚	mvninstall	3m 56s	branch-2 passed
+1 💚	compile	0m 51s	branch-2 passed
+1 💚	checkstyle	0m 29s	branch-2 passed
+1 💚	spotbugs	0m 48s	branch-2 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 32s	the patch passed
+1 💚	compile	0m 48s	the patch passed
+1 💚	javac	0m 48s	the patch passed
+1 💚	checkstyle	0m 25s	hbase-common: The patch generated 0 new + 0 unchanged - 160 fixed = 0 total (was 160)
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	12m 30s	Patch does not cause any errors with Hadoop 3.1.2 3.2.1.
+1 💚	spotbugs	0m 54s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 15s	The patch does not generate ASF License warnings.
		33m 6s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3785/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#3785
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile
uname	Linux 80e11871af63 4.15.0-156-generic #163-Ubuntu SMP Thu Aug 19 23:31:58 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2 / eea2ea8
Default Java	AdoptOpenJDK-1.8.0_282-b08
Max. process+thread count	95 (vs. ulimit of 12500)
modules	C: hbase-common U: hbase-common
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3785/1/console
versions	git=2.17.1 maven=3.6.3 spotbugs=4.2.2
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 56s	Docker mode activated.
-0 ⚠️	yetus	0m 5s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ branch-2 Compile Tests _
+1 💚	mvninstall	5m 17s	branch-2 passed
+1 💚	compile	0m 26s	branch-2 passed
+1 💚	shadedjars	7m 50s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 28s	branch-2 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	4m 39s	the patch passed
+1 💚	compile	0m 31s	the patch passed
+1 💚	javac	0m 31s	the patch passed
+1 💚	shadedjars	8m 12s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 23s	the patch passed
		_ Other Tests _
+1 💚	unit	2m 2s	hbase-common in the patch passed.
		33m 13s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3785/1/artifact/yetus-jdk8-hadoop2-check/output/Dockerfile
GITHUB PR	#3785
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux ebc395b48e26 4.15.0-143-generic #147-Ubuntu SMP Wed Apr 14 16:10:11 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2 / eea2ea8
Default Java	AdoptOpenJDK-1.8.0_282-b08
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3785/1/testReport/
Max. process+thread count	229 (vs. ulimit of 12500)
modules	C: hbase-common U: hbase-common
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3785/1/console
versions	git=2.17.1 maven=3.6.3
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 55s	Docker mode activated.
-0 ⚠️	yetus	0m 7s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ branch-2 Compile Tests _
+1 💚	mvninstall	6m 21s	branch-2 passed
+1 💚	compile	0m 35s	branch-2 passed
+1 💚	shadedjars	10m 12s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 32s	branch-2 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	5m 37s	the patch passed
+1 💚	compile	0m 31s	the patch passed
+1 💚	javac	0m 31s	the patch passed
+1 💚	shadedjars	9m 5s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 29s	the patch passed
		_ Other Tests _
+1 💚	unit	2m 35s	hbase-common in the patch passed.
		39m 17s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3785/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#3785
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 4cb58659f35a 4.15.0-143-generic #147-Ubuntu SMP Wed Apr 14 16:10:11 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2 / eea2ea8
Default Java	AdoptOpenJDK-11.0.10+9
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3785/1/testReport/
Max. process+thread count	280 (vs. ulimit of 12500)
modules	C: hbase-common U: hbase-common
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3785/1/console
versions	git=2.17.1 maven=3.6.3
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.