Identity add issuance attestation snippets

[cy245]

No description provided.

[snippet-bot]

Here is the summary of changes.

You are about to add 4 region tags.

• identity/credentialmanager/src/main/jsonSnippets.json:139, tag android_identity_android_keystore_attestation_proof
• identity/credentialmanager/src/main/jsonSnippets.json:158, tag android_identity_android_keystore_attestation_request
• identity/credentialmanager/src/main/jsonSnippets.json:176, tag android_identity_android_keystore_attestation_obj_issuers
• identity/credentialmanager/src/main/jsonSnippets.json:218, tag android_identity_android_keystore_attestation_proof_types_supported

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[gemini-code-assist]

Code Review

This pull request adds a digital_credential_snippets section to jsonSnippets.json, providing JSON schemas and examples for Android Keystore attestation. The review feedback points out a syntax error due to an ellipsis placeholder and suggests corrections for typos and grammatical issues in the descriptions.

[kkuan2011]

Looks good, but would be good to get an identity teammate to review too :)

[cy245]

Looks good, but would be good to get an identity teammate to review too :)

Already approved in the CL, just transcribing here