utils: fix inotify
utils: fix inotify

[Bug/Feature]   inotify not closing descriptor
[Cause]         "too many open files" error
[Solution]      close descriptor in the destructor
[Verification]  Build, install and run tests

Change-Id: Idadb8f707fbc6c8aa789747c01a776379f5737ca

Samsung/vasum,Samsung/vasum,Samsung/vasum,Samsung/vasum