Improve accuracy checks on Annotation symbol provider

[pranavgaikwad]

This is a follow up of #91

We need to do similar logic for Annotation symbols too to strictly match on fully qualified names.

[konveyor-ci-bot]

This issue is currently awaiting triage.
If contributors determine this is a relevant issue, they will accept it by applying the triage/accepted label and provide further guidance.
The triage/accepted label can be added by org members.