HBASE-22189 Removed remaining usage of StoreFile.getModificationTimeStamp

[HorizonNet]

Moved the remaining usage of StoreFile.getModificationTimeStamp to StoreFile.getModificationTimestamp.

[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	27	Docker mode activated.
		_ Prechecks _
+1	@author	0	The patch does not contain any @author tags.
-0	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.
		_ master Compile Tests _
+1	mvninstall	302	master passed
+1	javadoc	34	master passed
		_ Patch Compile Tests _
+1	mvninstall	253	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	javadoc	30	the patch passed
		_ Other Tests _
-1	unit	8405	hbase-server in the patch failed.
+1	asflicense	22	The patch does not generate ASF License warnings.
		9141

Reason	Tests
Failed junit tests	hadoop.hbase.master.locking.TestLockManager

Subsystem	Report/Notes
Docker	Client=17.05.0-ce Server=17.05.0-ce base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-129/1/artifact/out/Dockerfile
GITHUB PR	#129
Optional Tests	dupname asflicense javac javadoc unit
uname	Linux 8fb385828517 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/testptch/patchprocess/precommit/personality/provided.sh
git revision	master / a871d31
maven	version: Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z)
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-129/1/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-129/1/testReport/
Max. process+thread count	4793 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-129/1/console
Powered by	Apache Yetus 0.9.0 http://yetus.apache.org

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[HorizonNet]

The failing test case seems to be unrelated to the actual change.

[Apache9]

@HorizonNet Please merge this and also cherry-pick to other branches if necessary? You're a commit so you should have the permission to do so.

[Apache9]

And make sure to use 'rebase and merge'...

Thanks.