Add Starboard thread_sampler APIs to Android #9772

Job	Run time
raspi-2 / initialize	39s
raspi-2-skia / initialize	40s
raspi-2 / docker-build-image	1m 11s
raspi-2 / docker-unittest-image	0s
raspi-2-skia / docker-build-image	1m 15s
raspi-2-skia / docker-unittest-image	0s
raspi-2 / raspi_devel	8m 15s
raspi-2 / raspi_debug	11m 48s
raspi-2 / raspi_qa	6m 50s
raspi-2 / raspi_gold	6m 40s
raspi-2 / sbversion-15_devel	7m 59s
raspi-2 / sbversion-15_debug	13m 9s
raspi-2 / sbversion-15_qa	7m 12s
raspi-2 / sbversion-15_gold	6m 49s
raspi-2-skia / raspi-2-skia_devel	8m 4s
raspi-2-skia / raspi-2-skia_debug	11m 47s
raspi-2-skia / raspi-2-skia_qa	6m 56s
raspi-2-skia / raspi-2-skia_gold	7m 10s
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 46m 24s

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