Fix up the "tasks skipped due to Bazel version" annotation (#1210)
Fix up the "tasks skipped due to Bazel version" annotation (#1210)

* Fix up the "tasks skipped due to Bazel version" annotation

Now we just always print that annotation, and append to it. If nothing was appended, we retroactively remove the annotation.

* remove stray quotation mark
bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration