Add state based Autofill snippets

[MagicalMeghan]

No description provided.

[snippet-bot]

Here is the summary of changes.

You are about to add 6 region tags.

• compose/snippets/src/main/java/com/example/compose/snippets/text/AutofillSnippets.kt:43, tag android_compose_autofill_1
• compose/snippets/src/main/java/com/example/compose/snippets/text/AutofillSnippets.kt:53, tag android_compose_autofill_2
• compose/snippets/src/main/java/com/example/compose/snippets/text/AutofillSnippets.kt:65, tag android_compose_autofill_3
• compose/snippets/src/main/java/com/example/compose/snippets/text/AutofillSnippets.kt:75, tag android_compose_autofill_4
• compose/snippets/src/main/java/com/example/compose/snippets/text/AutofillSnippets.kt:96, tag android_compose_autofill_5
• compose/snippets/src/main/java/com/example/compose/snippets/text/AutofillSnippets.kt:120, tag android_compose_autofill_6

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