mtls refactor for endpoints

[ScottSuarez]

added support for mtls authentication

Release Note Template for Downstream PRs (will be copied)

added support for [mtls authentication](https://google.aip.dev/auth/4114) 

ref: go/dca:terraform

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 5 files changed, 302 insertions(+), 238 deletions(-))
Terraform Beta: Diff ( 5 files changed, 338 insertions(+), 274 deletions(-))
TF Conversion: Diff ( 2 files changed, 169 insertions(+), 177 deletions(-))

[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=192082"

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 5 files changed, 305 insertions(+), 239 deletions(-))
Terraform Beta: Diff ( 5 files changed, 341 insertions(+), 275 deletions(-))
TF Conversion: Diff ( 2 files changed, 172 insertions(+), 178 deletions(-))

[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=192092"

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 5 files changed, 381 insertions(+), 239 deletions(-))
Terraform Beta: Diff ( 5 files changed, 429 insertions(+), 275 deletions(-))
TF Conversion: Diff ( 2 files changed, 248 insertions(+), 178 deletions(-))

[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=192105"

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 5 files changed, 377 insertions(+), 239 deletions(-))
Terraform Beta: Diff ( 5 files changed, 425 insertions(+), 275 deletions(-))
TF Conversion: Diff ( 2 files changed, 248 insertions(+), 178 deletions(-))

[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=192119"

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 5 files changed, 374 insertions(+), 239 deletions(-))
Terraform Beta: Diff ( 6 files changed, 423 insertions(+), 276 deletions(-))
TF Conversion: Diff ( 2 files changed, 248 insertions(+), 178 deletions(-))

[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=192121"

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 6 files changed, 387 insertions(+), 239 deletions(-))
Terraform Beta: Diff ( 7 files changed, 436 insertions(+), 276 deletions(-))
TF Conversion: Diff ( 2 files changed, 248 insertions(+), 178 deletions(-))

[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=192201"

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 6 files changed, 387 insertions(+), 239 deletions(-))
Terraform Beta: Diff ( 7 files changed, 436 insertions(+), 276 deletions(-))
TF Conversion: Diff ( 2 files changed, 248 insertions(+), 178 deletions(-))

[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=192204"

[slevenick]

How will this work for DCL-based resources?

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 7 files changed, 492 insertions(+), 334 deletions(-))
Terraform Beta: Diff ( 9 files changed, 556 insertions(+), 385 deletions(-))
TF Conversion: Diff ( 2 files changed, 350 insertions(+), 273 deletions(-))

[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=192205"

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 7 files changed, 393 insertions(+), 241 deletions(-))
Terraform Beta: Diff ( 7 files changed, 441 insertions(+), 277 deletions(-))
TF Conversion: Diff ( 2 files changed, 251 insertions(+), 180 deletions(-))

[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=192210"

[slevenick]

LGTM after fix for eventarc base path

[modular-magician]

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

Diff report:

Terraform GA: Diff ( 7 files changed, 391 insertions(+), 241 deletions(-))
Terraform Beta: Diff ( 8 files changed, 440 insertions(+), 278 deletions(-))
TF Conversion: Diff ( 2 files changed, 249 insertions(+), 180 deletions(-))

[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=192303"

[ScottSuarez]

test passed on previous run.. merging