HBASE-23259: Populate master address end points in cluster/rs configs

[ndimiduk]

All the clients need to know the master RPC end points while using master
based registry for creating cluster connections. This patch amends the
test cluster utility to populate these configs in the base configuration
object used to spin up the cluster.

The config key added here ("hbase.master.addrs") is used in the subsequent
patches for HBASE-18095.

Signed-off-by: Nick Dimiduk ndimiduk@apache.org

[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.
+1 💚	hbaseanti	0m 0s	Patch does not have any anti-patterns.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s	The patch appears to include 1 new or modified test files.
		_ branch-2 Compile Tests _
+0 🆗	mvndep	0m 14s	Maven dependency ordering for branch
+1 💚	mvninstall	5m 18s	branch-2 passed
+1 💚	compile	1m 22s	branch-2 passed
+1 💚	checkstyle	1m 57s	branch-2 passed
+1 💚	shadedjars	4m 46s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	1m 3s	branch-2 passed
+0 🆗	spotbugs	4m 1s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	4m 56s	branch-2 passed
		_ Patch Compile Tests _
+0 🆗	mvndep	0m 15s	Maven dependency ordering for patch
+1 💚	mvninstall	5m 19s	the patch passed
+1 💚	compile	1m 17s	the patch passed
+1 💚	javac	1m 17s	the patch passed
+1 💚	checkstyle	0m 28s	The patch passed checkstyle in hbase-common
+1 💚	checkstyle	1m 21s	hbase-server: The patch generated 0 new + 35 unchanged - 1 fixed = 35 total (was 36)
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	shadedjars	4m 25s	patch has no errors when building our shaded downstream artifacts.
+1 💚	hadoopcheck	15m 28s	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1 💚	javadoc	0m 56s	the patch passed
+1 💚	findbugs	4m 20s	the patch passed
		_ Other Tests _
+1 💚	unit	3m 0s	hbase-common in the patch passed.
-1 ❌	unit	167m 35s	hbase-server in the patch failed.
+1 💚	asflicense	1m 4s	The patch does not generate ASF License warnings.
		232m 11s

Subsystem	Report/Notes
Docker	Client=19.03.5 Server=19.03.5 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-857/1/artifact/out/Dockerfile
GITHUB PR	#857
JIRA Issue	HBASE-23259
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 26b99378b9ea 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-857/out/precommit/personality/provided.sh
git revision	branch-2 / 7e088da
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-857/1/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-857/1/testReport/
Max. process+thread count	4696 (vs. ulimit of 10000)
modules	C: hbase-common hbase-server U: .
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-857/1/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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[ndimiduk]

The only failure here is an instance of HBASE-22470.