HADOOP-16344 Make DurationInfo public unstable with import fix

[kai33]

No description provided.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	42	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	@author	0	The patch does not contain any @author tags.
-1	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ trunk Compile Tests _
+1	mvninstall	1144	trunk passed
+1	compile	1034	trunk passed
+1	checkstyle	42	trunk passed
+1	mvnsite	80	trunk passed
+1	shadedclient	856	branch has no errors when building and testing our client artifacts.
+1	javadoc	64	trunk passed
0	spotbugs	124	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	121	trunk passed
		_ Patch Compile Tests _
+1	mvninstall	48	the patch passed
+1	compile	1149	the patch passed
+1	javac	1149	the patch passed
+1	checkstyle	43	the patch passed
+1	mvnsite	77	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedclient	754	patch has no errors when building and testing our client artifacts.
+1	javadoc	63	the patch passed
+1	findbugs	190	the patch passed
		_ Other Tests _
+1	unit	623	hadoop-common in the patch passed.
+1	asflicense	45	The patch does not generate ASF License warnings.
		6459

Subsystem	Report/Notes
Docker	Client=17.05.0-ce Server=17.05.0-ce base: https://builds.apache.org/job/hadoop-multibranch/job/PR-921/1/artifact/out/Dockerfile
GITHUB PR	#921
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux e02de100d3de 4.4.0-144-generic #170~14.04.1-Ubuntu SMP Mon Mar 18 15:02:05 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/hadoop.sh
git revision	trunk / 3ea4f41
Default Java	1.8.0_212
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-921/1/testReport/
Max. process+thread count	1716 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-921/1/console
versions	git=2.7.4 maven=3.3.9 findbugs=3.1.0-RC1
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[steveloughran]

+1, committed. Did a local recompile just to make sure