Monitoring metric descriptor

[tishen25]

Fixes: hashicorp/terraform-provider-google#3360

Release Note Template for Downstream PRs (will be copied)

`google_monitoring_metric_descriptor`

[modular-magician]

Hello! I am a robot who works on Magic Modules PRs.

I have detected that you are a community contributor, so your PR will be assigned to someone with a commit-bit on this repo for initial review.

Thanks for your contribution! A human will be with you soon.

@ndmckinley, please review this PR or find an appropriate assignee.

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 15 files changed, 1328 insertions(+), 13 deletions(-))
Terraform Beta: Diff ( 17 files changed, 1330 insertions(+), 15 deletions(-))
TF Conversion: Diff ( 1 file changed, 213 insertions(+))
TF OiCS: Diff ( 8 files changed, 241 insertions(+))

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 15 files changed, 1328 insertions(+), 13 deletions(-))
Terraform Beta: Diff ( 17 files changed, 1330 insertions(+), 15 deletions(-))
TF Conversion: Diff ( 1 file changed, 213 insertions(+))
TF OiCS: Diff ( 8 files changed, 241 insertions(+))

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 15 files changed, 1334 insertions(+), 13 deletions(-))
Terraform Beta: Diff ( 17 files changed, 1336 insertions(+), 15 deletions(-))
TF Conversion: Diff ( 1 file changed, 213 insertions(+))
TF OiCS: Diff ( 8 files changed, 241 insertions(+))

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 15 files changed, 1334 insertions(+), 13 deletions(-))
Terraform Beta: Diff ( 17 files changed, 1336 insertions(+), 15 deletions(-))
TF Conversion: Diff ( 1 file changed, 213 insertions(+))
TF OiCS: Diff ( 8 files changed, 241 insertions(+))

[modular-magician]

I have triggered VCR tests based on this PR's diffs. See the results here: "https://ci-oss.hashicorp.engineering/viewQueued.html?itemId=134418"

[slevenick]

Thanks for the addition!