[all] Update Android device model to shiba aka pixel 8

[reidbaker]

Fixes flutter/flutter#183935
{
"id": "shiba",
"name": "Pixel 8",
"manufacturer": "Google",
"form": "PHYSICAL",
"screenX": 1080,
"screenY": 2400,
"supportedVersionIds": [
"35",
"34"
],
"brand": "google",
"codename": "shiba",
"supportedAbis": [
"arm64-v8a"
],
"screenDensity": 420,
"formFactor": "PHONE",
"thumbnailUrl": "https://lh3.googleusercontent.com/y3CK3aSh9wV7Dmrti0ogN_C0r5j1M5-Vmdu_-trvcCF-BQDJsUxKQcRuxx05H1a0CvteCOL9umU",
"perVersionInfo": [
{
"versionId": "35",
"deviceCapacity": "DEVICE_CAPACITY_MEDIUM"
},
{
"versionId": "34",
"deviceCapacity": "DEVICE_CAPACITY_HIGH",
"interactiveDeviceAvailabilityEstimate": "30s",
"directAccessVersionInfo": {
"directAccessSupported": true
}
}
]
},

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[gemini-code-assist]

Code Review

This pull request updates the Android device configuration for CI tests. In .ci/targets/android_device_tests.yaml, the test device is changed from 'panther' (Pixel 7) on Android 33 to 'shiba' (Pixel 8) on Android 35.