Append Goc suffix in injected funtion name, to avoid declaration conflict in main pkg.

[Blaxon]

To solve issue raised in #325

[Blaxon]

/assign @memoryliu

[CarlJi]

/unassign @memoryliu
/assign @CarlJi

[Blaxon]

Hi @CarlJi I saw there is a failure in e2e test / E2E test (1.16.x) (pull_request) check, should I care about this? thanks

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[codecov]

Codecov Report

Merging #326 (7c21f3a) into master (5868a3e) will not change coverage.
The diff coverage is n/a.

❗ Current head 7c21f3a differs from pull request most recent head 77a9a1d. Consider uploading reports for the commit 77a9a1d to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #326   +/-   ##
=======================================
  Coverage   70.76%   70.76%           
=======================================
  Files          34       34           
  Lines        2035     2035           
=======================================
  Hits         1440     1440           
  Misses        482      482           
  Partials      113      113           

Flag	Coverage Δ
e2e-1.16.x	?
e2e-1.17.x	?
e2e-1.18.x	?
e2e-1.19.x	?
unittest-1.16.x	70.76% <ø> (+0.09%)	⬆️
unittest-1.17.x	70.66% <ø> (ø)
unittest-1.18.x	70.66% <ø> (ø)
unittest-1.19.x	70.66% <ø> (-0.10%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/cover/instrument.go	20.83% <ø> (ø)