Fix Android FlatList accessibility collection positions

[popsiclelmlm]

Summary:

Fixes #30973.

On Android, FlatList and VirtualizedList now provide accessibility collection metadata so TalkBack can report collection positions for rendered items. FlatList sets list/grid collection info, attaches collection item data to rendered item roots, and the Android scroll delegate resolves visible item ranges from nested tagged descendants.

Changelog:

[ANDROID] [FIXED] - Fix FlatList accessibility collection position announcements.

Test Plan:

• PATH=/Users/liumin/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/bin:$PATH ./node_modules/.bin/jest packages/react-native/Libraries/Lists/__tests__/FlatList-test.js --runInBand
• PATH=/Users/liumin/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/bin:$PATH ./node_modules/.bin/jest packages/virtualized-lists/Lists/__tests__/VirtualizedList-test.js --runInBand
• PATH=/Users/liumin/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/bin:$PATH YARN_BINARY=/Users/liumin/.cache/node/corepack/v1/yarn/1.22.22/bin/yarn ./gradlew :packages:react-native:ReactAndroid:testDebugUnitTest --tests com.facebook.react.views.scroll.ReactScrollViewAccessibilityDelegateTest -Preact.internal.useHermesStable=true
• PATH=/Users/liumin/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/bin:$PATH YARN_BINARY=/Users/liumin/.cache/node/corepack/v1/yarn/1.22.22/bin/yarn ./gradlew :packages:react-native:ReactAndroid:ktfmtCheck -Preact.internal.useHermesStable=true
• ./node_modules/.bin/prettier --check packages/react-native/Libraries/Lists/FlatList.js packages/react-native/Libraries/Lists/__tests__/FlatList-test.js packages/react-native/ReactNativeApi.d.ts packages/virtualized-lists/Lists/VirtualizedList.d.ts packages/virtualized-lists/Lists/VirtualizedList.js packages/virtualized-lists/Lists/VirtualizedListCellRenderer.js packages/virtualized-lists/Lists/VirtualizedListProps.js
• git diff --check

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[github-actions]

Warning

JavaScript API change detected

This PR commits an update to ReactNativeApi.d.ts, indicating a change to React Native's public JavaScript API.

• Please include a clear changelog message.
• This change will be subject to additional review.

This change was flagged as: POTENTIALLY_BREAKING

[popsiclelmlm]

Hi @popsiclelmlm!

Thank you for your pull request and welcome to our community.

Action Required

In order to merge any pull request (code, docs, etc.), we require contributors to sign our Contributor License Agreement, and we don't seem to have one on file for you.

Process

In order for us to review and merge your suggested changes, please sign at https://code.facebook.com/cla. If you are contributing on behalf of someone else (eg your employer), the individual CLA may not be sufficient and your employer may need to sign the corporate CLA.

Once the CLA is signed, our tooling will perform checks and validations. Afterwards, the pull request will be tagged with CLA signed. The tagging process may take up to 1 hour after signing. Please give it that time before contacting us about it.

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