This matches the internal value in Cloud Monitoring and avoids
DEADLINE_EXCEEDED RPC errors.

* Adds newline at EOF

* Updates image tag to older release

Image tag 'latest' points to the head of the repository which has the
cmd folder deleted. Changing the tag to v2-alpha since it has the
required folder.

Fixed typo for `Interval` in example code.

* Update e2e test runner image to latest

Updating the test runner image to latest should enable the test runner
calling for detectResource test scenario for exporters in opentelemetry-java-ops.

* Fixes failing test due to name mismatch

* Replaces 'latest' tag with the exact version number

* Adds CloudRun resource detector

* Update the test runner image for cloudbuild

* Fix CloudRun e2e test

* Code refactor for better readability

* Adds missing javadocs

* Code refactor remove unused parameter

* Removes debug print statements

* Update Javadoc

* Add resource mapping for cloud-run

* Address code refatcor + style issues

Change tested against gradle 7.5.1

* Update gradle wrapper for gradle v7

* Update Java version source & target compatibility

* Fix gradle assemble task

* Enables Cloud Function resource detection

* Refactor: add utility class to extract common attributes

* Add build steps for cloud build trigger

* Fix cloudbuild yaml file name

* Update test runner image

* Add missing javadoc

* Removes unnecessary rethrow for exception

GAE resource detection & automated test runs on GAE is not enabled through this PR.

* Fix typo

* Enable resource detection for GAE

* Rename method: addCloudRegionFromMetadata to addCloudRegionFromMetadataUsingZone

* Fix region detection for GAE standard

* Update test runner image to v0.15.0

These should be added through org level configurations

* Delete individual classes for each GCP resource type

* Combine all GCP resource detectors in a single class

* Add missing javadoc

* Fix Cloud Function detection

* Rename GCPComputeResource to GCPResource

* Fix GKE cluster location detection

GKE resource should either only have the zone or the region as their location.
Updated the source from where the location attribute is extracted.

* Avoid adding malformed location to attributes in GKE

* add prefix option to metrics exporter

* Update dependencies to remove OSS vulnerabilities

* Re-run cloud-build

* Update the test runner image to 0.16.0 (latest)

* Empty commit. Re-run the build image step

* Fix failing tests

Failing tests are due to an update in the gRPC version
The updated version requires the build tool (gradle, in this case) to
merge the service files.
For more details look at grpc/grpc-java#5493.

* Add missing attribute to GAE resource detector

* Fix failing unit tests