Cherry pick PR #3855: Add commands to build Cobalt library locally #1197

Job	Run time
raspi-2 / initialize	43s
raspi-2-skia / initialize	44s
raspi-2 / docker-build-image	1m 39s
raspi-2 / docker-unittest-image	0s
raspi-2-skia / docker-build-image	1m 33s
raspi-2-skia / docker-unittest-image	0s
raspi-2-skia / raspi-2-skia_devel	9m 49s
raspi-2-skia / raspi-2-skia_debug	13m 59s
raspi-2-skia / raspi-2-skia_qa	9m 25s
raspi-2-skia / raspi-2-skia_gold	8m 50s
raspi-2 / raspi_devel	9m 59s
raspi-2 / raspi_debug	18m 35s
raspi-2 / raspi_qa	8m 42s
raspi-2 / raspi_gold	8m 44s
raspi-2 / sbversion-15_devel	9m 57s
raspi-2 / sbversion-15_debug	14m 0s
raspi-2 / sbversion-15_qa	8m 40s
raspi-2 / sbversion-15_gold	8m 35s
raspi-2 / sbversion-16_devel	11m 29s
raspi-2 / sbversion-16_debug	16m 39s
raspi-2 / sbversion-16_qa	9m 39s
raspi-2 / sbversion-16_gold	8m 41s
raspi-2-skia / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
raspi-2-skia / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
raspi-2 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
raspi-2 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
	3h 0m 22s

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