Fix ci test (#447)
Fix ci test (#447)

* Fix size_check failure for ci:test label

* Add debug message to debug live

* Update comment

* Remove redundant checkout and add HEAD

This is an attempt to fix size_check workflow not
working for ci:test label

BUG=http://b/196637015

Co-authored-by: Advait Jain <381329857d3dce0cdb28ee10c109de30b1dd6745@users.noreply.github.com>
tensorflow/tflite-micro,tensorflow/tflite-micro,tensorflow/tflite-micro,tensorflow/tflite-micro