Vision edge prediction (#2146)
Vision edge prediction (#2146)

* AutoML Vision Edge Container Predict sample

* add one blank line after the function definition

* Refine README with clarifications and sample outputs, and rename encoded_string as encoded_image

* change port number and add docker link

* rewrite tests in pytest

* update port number from 8501 to 8505 to be consistent in README

* rename test names and move run/stop dockders to setup/teardown

* add comments to clarify the predictions with multiple images

* add comments to clarify the predictions with multiple images in prediction

* update indents from 2 to 4 spaces

* update files with too long lines

* fix trailing white spaces.

* skip tests for now and add a TODO to enable it infuture

* update readme with correct test file

GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples