Cherry pick PR #4141: [Docker] Fix base container alias #1218

Job	Run time
raspi-2 / initialize	42s
raspi-2-skia / initialize	38s
raspi-2-skia / docker-build-image	28m 58s
raspi-2-skia / docker-unittest-image	0s
raspi-2 / docker-build-image	30m 11s
raspi-2 / docker-unittest-image	0s
raspi-2-skia / raspi-2-skia_devel	10m 6s
raspi-2-skia / raspi-2-skia_debug	15m 4s
raspi-2-skia / raspi-2-skia_qa	8m 43s
raspi-2-skia / raspi-2-skia_gold	8m 37s
raspi-2 / ${{ matrix.name }}_${{ matrix.config }}	0s
raspi-2 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
raspi-2 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
raspi-2-skia / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
raspi-2-skia / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
	1h 42m 59s

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