Bump third_party/perfetto/repo from `b9aca8f` to `eb50169` #360

Job	Run time
Unit / Integration Tests (main)	20s
Unit / Integration Tests (clang)	1m 55s
Unit / Integration Tests (mbedtls)	1s
Unit / Integration Tests (rotating_device_id)	1s
Unit / Integration Tests (icd)	1m 49s
	4m 6s

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