Add XHR Request Timing Telemetry #9869

Job	Run time
raspi-2 / initialize	43s
raspi-2-skia / initialize	51s
raspi-2 / docker-build-image	1m 18s
raspi-2 / docker-unittest-image	0s
raspi-2-skia / docker-build-image	1m 18s
raspi-2-skia / docker-unittest-image	0s
raspi-2 / raspi_devel	8m 28s
raspi-2 / raspi_debug	12m 10s
raspi-2 / raspi_qa	7m 22s
raspi-2 / raspi_gold	6m 42s
raspi-2 / sbversion-15_devel	7m 46s
raspi-2 / sbversion-15_debug	11m 42s
raspi-2 / sbversion-15_qa	6m 41s
raspi-2 / sbversion-15_gold	7m 23s
raspi-2-skia / raspi-2-skia_devel	8m 44s
raspi-2-skia / raspi-2-skia_debug	11m 28s
raspi-2-skia / raspi-2-skia_qa	7m 14s
raspi-2-skia / raspi-2-skia_gold	6m 48s
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
	1h 46m 38s

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