HBASE-26146: Add support for HBASE_HBCK_OPTS

[bbeaudreault]

Backports HBASE-26146 to 2.4.

Let me know if there's a better convention for naming these PRs and/or commits for backports.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 38s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+0 🆗	shelldocs	0m 0s	Shelldocs was not available.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
		_ branch-2.4 Compile Tests _
		_ Patch Compile Tests _
+1 💚	shellcheck	0m 1s	There were no new shellcheck issues.
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
		_ Other Tests _
+1 💚	asflicense	0m 16s	The patch does not generate ASF License warnings.
		2m 34s

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-3537/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#3537
JIRA Issue	HBASE-26146
Optional Tests	dupname asflicense shellcheck shelldocs
uname	Linux 1ad6c290fec3 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2.4 / 4ec1333
Max. process+thread count	51 (vs. ulimit of 12500)
modules	C: . U: .
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3537/1/console
versions	git=2.17.1 maven=3.6.3 shellcheck=0.4.6
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 49s	Docker mode activated.
-0 ⚠️	yetus	0m 6s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ branch-2.4 Compile Tests _
		_ Patch Compile Tests _
		_ Other Tests _
		2m 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-3537/1/artifact/yetus-jdk8-hadoop2-check/output/Dockerfile
GITHUB PR	#3537
JIRA Issue	HBASE-26146
Optional Tests
uname	Linux b451361921f5 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2.4 / 4ec1333
Max. process+thread count	46 (vs. ulimit of 12500)
modules	C: . U: .
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3537/1/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	0m 38s	Docker mode activated.
-0 ⚠️	yetus	0m 6s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ branch-2.4 Compile Tests _
		_ Patch Compile Tests _
		_ Other Tests _
		1m 57s

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-3537/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#3537
JIRA Issue	HBASE-26146
Optional Tests
uname	Linux 4dfe05532038 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2.4 / 4ec1333
Max. process+thread count	45 (vs. ulimit of 12500)
modules	C: . U: .
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3537/1/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.