[TASK] Fix typo in method name

The method forceFlushCachesIfNeccessary() is spelled incorrectly, it
should be forceFlushCachesIfNecessary().

Change-Id: If6caca0a2868755921a6829ea5bd738328bd1e1c
Releases: master
Merge "[TASK] Fix typo in method name"
Merge remote-tracking branch 'upstream/master'