Add initial cars snippets

[jankleinert]

Sets up the structure for snippets for Android for Cars and adds a few initial snippets.

The migrated snippets are in:

• cars/src/main/java/com/example/cars/apps/AutomotiveOS.kt
• cars/src/main/java/com/example/cars/apps/IOT.kt
• cars/src/main/java/com/example/cars/apps/POI.kt
• cars/src/main/java/com/example/cars/apps/library/StartScreen.kt

[snippet-bot]

Here is the summary of changes.

You are about to add 4 region tags.

• cars/src/main/java/com/example/cars/apps/AutomotiveOS.kt:24, tag android_cars_apps_automotive_os_handle_intents
• cars/src/main/java/com/example/cars/apps/IOT.kt:33, tag android_cars_apps_iot_grid_template
• cars/src/main/java/com/example/cars/apps/POI.kt:26, tag android_cars_apps_poi_refresh_content
• cars/src/main/java/com/example/cars/apps/library/StartScreen.kt:28, tag android_cars_apps_library_start_screen

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[gemini-code-assist]

Code Review

This pull request introduces a new Android module named 'cars' that provides code snippets for Android Automotive OS and Android Auto. The changes include the necessary build configurations, manifest declarations, and several screen implementations demonstrating the use of GridTemplate, PlaceListMapTemplate, and PaneTemplate. Review feedback suggests replacing the empty 'ic_garage.xml' selector with a functional vector drawable and updating the 'app_name' string to a human-readable value instead of the package name.

[gemini-code-assist]

The app_name string is currently set to the package name. For better user experience and clarity, it should be a human-readable name.

Suggested change

	<string name="app_name">com.example.cars</string>
	<string name="app_name">Cars Snippets</string>

[yrezgui]

@jankleinert Worth updating it?

[jankleinert]

Will update this when I fix the ic_garage.xml file.

[jankleinert]

Updated the app name in this file.

[yrezgui]

Looks good but still want Thomas or Paul to review it as they have more context to Android Auto

[yrezgui]

@jankleinert Worth updating it?