Feat(Expo): Add expo constants on event context. #11788

Job	Run time
Ready-to-merge gate / Missing "ready-to-merge" label	3s
diff_check / diff_check	10s
Build new ios dev no-frameworks	1s
Build legacy macos dev no-frameworks	59s
Build legacy android dev no-frameworks	7m 29s
Build legacy android production no-frameworks	7m 29s
Build legacy ios dev dynamic-frameworks	1m 21s
Build new ios production no-frameworks	6m 25s
Build new android production no-frameworks	7m 29s
Build new android dev no-frameworks	7m 32s
Build legacy ios production no-frameworks	1s
Build legacy macos production no-frameworks	5m 53s
Build legacy ios dev no-frameworks	7m 16s
Build legacy ios production dynamic-frameworks	1m 10s
Test ${{ matrix.platform }} ${{ matrix.build-type }} REV2	1s
	53m 19s

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