Update cars snippets

[jankleinert]

Update snippets for some parked app use cases.

[snippet-bot]

Here is the summary of changes.

You are about to add 3 region tags.

• cars/src/main/java/com/example/cars/parked/Browser.kt:45, tag android_cars_parked_browser_protect_sensitive_data
• cars/src/main/java/com/example/cars/parked/CarAwarePlayer.kt:29, tag android_cars_parked_car_aware_player
• cars/src/main/res/values-car-v30/integers.xml:18, tag android_cars_res_values_car_v30_integers

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[thomas-weathers]

LGTM, approved