Update cross-media-measurement-api for EventGroup pattern.

[SanjayVas]

No description provided.

[wfa-reviewable]

This change is 

[SanjayVas]

Depends on world-federation-of-advertisers/cross-media-measurement-api#148

[SanjayVas]

Reviewable status: 0 of 20 files reviewed, 1 unresolved discussion (waiting on @SanjayVas and @tristanvuong2021)

a discussion (no related file):
Need to fix the v2 EventGroupKey.

---

[tristanvuong2021]

Reviewed 20 of 20 files at r1, all commit messages.
Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @SanjayVas)

---

src/main/kotlin/org/wfanet/measurement/kingdom/deploy/gcloud/spanner/writers/DeleteEventGroup.kt line 38 at r1 (raw file):

 * Throws one of the following [KingdomInternalException] types on [execute]:
 * * [EventGroupNotFoundException] EventGroup not found
 * * [EventGroupNotFoundByMeasurementConsumerException] EventGroup not found

This exception was added in the comment, but I don't see it used here.

[SanjayVas]

Reviewable status: 19 of 20 files reviewed, 1 unresolved discussion (waiting on @tristanvuong2021)

a discussion (no related file):

Previously, SanjayVas (Sanjay Vasandani) wrote…

Need to fix the v2 EventGroupKey.

I split that out into #1064 instead.

---

[SanjayVas]

Reviewable status: 19 of 20 files reviewed, 1 unresolved discussion (waiting on @tristanvuong2021)

---

src/main/kotlin/org/wfanet/measurement/kingdom/deploy/gcloud/spanner/writers/DeleteEventGroup.kt line 38 at r1 (raw file):

Previously, tristanvuong2021 (Tristan Vuong) wrote…

This exception was added in the comment, but I don't see it used here.

Done.

I had originally tried to support Delete by the secondary pattern, but then realized only DataProviders can delete event groups anyway.

[tristanvuong2021]

Reviewed 1 of 1 files at r2, 2 of 2 files at r3, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @SanjayVas)

[stevenwarejones]

Reviewed 8 of 20 files at r1, 1 of 2 files at r3, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @SanjayVas)

---

src/main/kotlin/org/wfanet/measurement/api/v2alpha/EventGroupKey.kt line 24 at r3 (raw file):

/** [ResourceKey] of an EventGroup. */
data class EventGroupKey(val dataProviderId: String, val eventGroupId: String) : ChildResourceKey {

rename to DataProviderEventGroupKey

[SanjayVas]

Reviewable status: 20 of 23 files reviewed, 1 unresolved discussion (waiting on @stevenwarejones and @tristanvuong2021)

---

src/main/kotlin/org/wfanet/measurement/api/v2alpha/EventGroupKey.kt line 24 at r3 (raw file):

Previously, stevenwarejones (Steven Ware Jones) wrote…

rename to DataProviderEventGroupKey

The naming is intentional. The ResourceKey type without a prefix is the canonical ones. The ones with prefixes are the non-canonical ones.

[tristanvuong2021]

Reviewed 3 of 3 files at r4, 1 of 1 files at r5, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @stevenwarejones)

[tristanvuong2021]

Reviewed 1 of 1 files at r6, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @stevenwarejones)

[Marco-Premier]

Reviewed 16 of 20 files at r1, 1 of 1 files at r2, 2 of 2 files at r3, 2 of 3 files at r4, 1 of 1 files at r5, 1 of 1 files at r6, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @stevenwarejones)

[SanjayVas]

Reviewed 1 of 1 files at r7, all commit messages.
Dismissed @stevenwarejones from a discussion.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @stevenwarejones)

Review taken over by @Marco-Premier