Bump osprofiler requirement to 0.3.0

ofprofiler.notifier.create, which is used by recently merged
commit 94b670c199fcc39784edd90b323b0396914ce66a, does not seem
available in osprofiler 0.1.1.

Closes-Bug: #1354500
Change-Id: I563558efcf4e909e2a97003bf84a0785091fd360
Merge "Bump osprofiler requirement to 0.3.0"