- Push images to GAR
- Upgrading to latest test runner docker image which lives in GAR
- Update `wait-for-image.sh` and build scripts that were coupled to gcr.

* Update the collector image used in instrumentation quickstart

* Use refactored quickstarttest lib

* Minor renaming

* remove replace directive

* rename to match other repos

* fix package name and comment

* Add new example to project

* Udpate spring service name for spring sleuth example

* Add implementation for spring sample

* Update task name to run app

The name 'bootRun' conflicts with the name of tasks in a certain gradle
versions.

* Add comments for clarity

* Add EOF line

* Add cleanup instructions

* Address feedback

* update cleanup instructions to include deletion for Artifact Repository

* Update script to use shorthands for env verification

* Add logging exporter to root gradle file

* Udpate dependency declaration

* Add resource detection to metrics sample

* Add safety checks to prevent errors

* Update script to run application in cloud run

* update sample to wait for shutdown

* Add support for detecting Cloud Run Job

* Add tests for Google Cloud Run Job

* Style fix