Cherry pick PR #3151: Add Android asset manager. (#3189) #329

Job	Run time
raspi-2 / initialize	44s
raspi-2-skia / initialize	47s
raspi-2 / docker-build-image	1m 22s
raspi-2 / docker-unittest-image	0s
raspi-2-skia / docker-build-image	1m 24s
raspi-2-skia / docker-unittest-image	0s
raspi-2 / raspi_devel	9m 54s
raspi-2 / raspi_debug	12m 21s
raspi-2 / raspi_qa	9m 40s
raspi-2 / raspi_gold	7m 36s
raspi-2 / sbversion-15_devel	10m 0s
raspi-2 / sbversion-15_debug	12m 49s
raspi-2 / sbversion-15_qa	8m 22s
raspi-2 / sbversion-15_gold	7m 37s
raspi-2-skia / raspi-2-skia_devel	9m 3s
raspi-2-skia / raspi-2-skia_debug	12m 24s
raspi-2-skia / raspi-2-skia_qa	8m 4s
raspi-2-skia / raspi-2-skia_gold	7m 30s
raspi-2-skia / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
raspi-2-skia / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
raspi-2 / raspi_on_device_0	32m 0s
raspi-2 / raspi_on_device_1	15m 51s
raspi-2 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
raspi-2 / raspi_on_device_2	20m 1s
raspi-2 / raspi_on_device_3	21m 58s
raspi-2 / raspi_on_device_4	20m 2s
raspi-2 / raspi_on_device_5	16m 40s
raspi-2 / sbversion-15_on_device_0	22m 5s
raspi-2 / sbversion-15_on_device_1	21m 2s
raspi-2 / sbversion-15_on_device_2	16m 57s
raspi-2 / sbversion-15_on_device_3	22m 2s
raspi-2 / sbversion-15_on_device_4	16m 51s
raspi-2 / sbversion-15_on_device_5	15m 56s
	6h 1m 2s

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