feat: added aria-live as a alias for accessibility-live-region

[mayank-96]

Summary

This adds aria-live alias for accessibilityLiveRegion, it unifies aria-live and accessibilityLiveRegion and also maps aria-live='off' to accessibilityLiveRegion='none' as requested on #34424

Changelog

[General][Added] - Added aria-live alias for accessibilityLiveRegion.

Test Plan

<Viewaria-live="polite"><Text>Clicked {this.state.count} times</Text></View><Viewaria-live="off"><Text>Clicked {this.state.count} times</Text></View>

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[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	7,639,593	+106
android	hermes	armeabi-v7a	7,051,827	+112
android	hermes	x86	7,941,171	+109
android	hermes	x86_64	7,913,165	+113
android	jsc	arm64-v8a	9,513,883	+222
android	jsc	armeabi-v7a	8,289,490	+213
android	jsc	x86	9,453,215	+215
android	jsc	x86_64	10,044,278	+212

Base commit: 98d84e5
Branch: main

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
ios	-	universal	n/a	--

Base commit: 62f83a9
Branch: main

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Thank you for signing our Contributor License Agreement. We can now accept your code for this (and any) Meta Open Source project. Thanks!

[facebook-github-bot]

@jacdebug has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[mayank-96]

Hello @necolas, Let me know if anything else needs to be done here.

[facebook-github-bot]

@jacdebug has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[facebook-github-bot]

@jacdebug has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[react-native-bot]

This pull request was successfully merged by @mayank-96 in 7ea54a4.

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