internal/telemetry/export/ocagent: fix typo in comment
internal/telemetry/export/ocagent: fix typo in comment

Change-Id: I26a6950518441850481f66d0c8844b16e908cffd
GitHub-Last-Rev: f83d960fddfa3ac65a7b766f7fc549ef80de560d
GitHub-Pull-Request: golang/tools#151
Reviewed-on: https://go-review.googlesource.com/c/tools/+/193917
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

golang/tools,golang/tools,golang/tools,golang/tools,golang/tools