Update kokoro path to cobalt/devinfra/kokoro #16675

Job	Run time
android-arm / initialize	1m 17s
android-arm64 / initialize	1m 18s
android-x86 / initialize	1m 16s
chromium_android-arm / initialize	1m 22s
chromium_android-arm64 / initialize	1m 17s
chromium_android-x86 / initialize	1m 15s
android-x86 / docker-build-image	3m 34s
chromium_android-x86 / docker-build-image	4m 2s
android-arm / docker-build-image	3m 44s
chromium_android-arm64 / docker-build-image	3m 34s
android-arm64 / docker-build-image	3m 38s
chromium_android-arm / docker-build-image	4m 9s
android-x86 / x86_devel	32m 13s
android-x86 / x86_debug	21s
android-x86 / x86_qa	32m 21s
android-x86 / x86_gold	35m 25s
chromium_android-arm64 / arm64_devel	49m 11s
chromium_android-arm64 / arm64_debug	47m 59s
chromium_android-arm64 / arm64_qa	49m 25s
chromium_android-arm64 / arm64_gold	49m 35s
android-arm64 / arm64_devel	53m 15s
android-arm64 / arm64_debug	23s
android-arm64 / arm64_qa	51m 34s
android-arm64 / arm64_gold	51m 36s
android-arm / arm_devel	35m 17s
android-arm / arm_debug	23s
android-arm / arm_qa	32m 34s
android-arm / arm_gold	41m 3s
chromium_android-x86 / x86_devel	30m 46s
chromium_android-x86 / x86_debug	31m 24s
chromium_android-x86 / x86_qa	32m 34s
chromium_android-x86 / x86_gold	32m 4s
chromium_android-arm / arm_devel	33m 25s
chromium_android-arm / arm_debug	32m 49s
chromium_android-arm / arm_qa	31m 50s
chromium_android-arm / arm_gold	38m 51s
	14h 16m 44s

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