repo:voltha-go-controller - timeout reported in test coverage and profiling

This ticket was spawned by another patch that is in need of a ticket.

Two distinct failures reported.

Gerrit: 35217 - original patch, mostly failing:

• https://gerrit.opencord.org/c/voltha-go-controller/+/35217
• JOB FAILURE: timeout
• JOBS: 30, PASS: 2, FAIL: 28

Gerrit:35241 is a NOP version of g:35217

• https://gerrit.opencord.org/c/voltha-go-controller/+/35241
• Same files modified in 35217 are included in this patch.
• No logic change, simple copyright and comment edits.
• JOB FAIL: lack of test coverage
• JOBS: 1, FAIL: 1

09:57:44 coverage: 24.7% of statements
09:57:44 ok  	voltha-go-controller/voltha-go-controller/onos_nbi	0.199s	coverage: 24.7% of statements
09:57:44 ?   	voltha-go-controller/voltha-go-controller/tests/mocks	[no test files]
09:57:44 FAIL
09:57:44 Makefile:122: recipe for target 'test' failed
09:57:45 make: *** [test] Error 1
09:57:45 Build step 'Execute shell' marked build as failure