Set up a Shell class entry for Cobalt #17827

Job	Run time
chromium_android-arm / initialize	1m 17s
chromium_android-arm64 / initialize	1m 12s
android-arm / initialize	1m 18s
android-arm64 / initialize	1m 13s
android-x86 / initialize	1m 13s
chromium_android-x86 / initialize	1m 17s
chromium_android-arm64 / docker-build-image	4m 11s
android-arm64 / docker-build-image	4m 0s
android-x86 / docker-build-image	4m 4s
chromium_android-arm / docker-build-image	4m 2s
chromium_android-x86 / docker-build-image	3m 55s
android-arm / docker-build-image	4m 53s
android-arm64 / arm64_devel	8m 38s
android-arm64 / arm64_qa	8m 45s
android-arm64 / arm64_gold	8m 13s
chromium_android-x86 / x86_devel	25m 15s
chromium_android-x86 / x86_qa	27m 59s
chromium_android-x86 / x86_gold	26m 18s
android-x86 / x86_devel	8m 10s
android-x86 / x86_qa	7m 59s
android-x86 / x86_gold	8m 8s
chromium_android-arm / arm_devel	25m 45s
chromium_android-arm / arm_qa	30m 17s
chromium_android-arm / arm_gold	30m 26s
chromium_android-arm64 / arm64_devel	28m 53s
chromium_android-arm64 / arm64_qa	27m 49s
chromium_android-arm64 / arm64_gold	27m 50s
android-arm / arm_devel	8m 7s
android-arm / arm_qa	11m 53s
android-arm / arm_gold	8m 7s
android-x86 / ${{ matrix.name }}_tests	0s
android-arm64 / ${{ matrix.name }}_tests	0s
android-arm / ${{ matrix.name }}_tests	0s
chromium_android-x86 / ${{ matrix.name }}_tests	0s
chromium_android-arm / ${{ matrix.name }}_tests	1s
chromium_android-arm64 / ${{ matrix.name }}_tests	1s
	6h 1m 9s

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