add system bar protection views snippet

[ashnohe]

No description provided.

[snippet-bot]

Here is the summary of changes.

You are about to add 2 region tags.

• views/src/main/java/insets/SystemBarProtectionSnippet.kt:54, tag android_system_bar_protection_kotlin
• views/src/main/res/layout/system_bar_protection.xml:20, tag android_system_bar_protection_xml

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