Upgrade to MySQL 8.0 #458

Job	Run time
Test aip-encrypt on Firefox	21m 44s
Test aip-encrypt on Chrome	25m 9s
Test aip-encrypt-mirror on Firefox	18m 4s
Test aip-encrypt-mirror on Chrome	16m 1s
Test black-box on Chrome	45m 45s
Test icc on Firefox	20m 1s
Test icc on Chrome	15m 48s
Test ipc preservation on Firefox	35m 22s
Test ipc preservation on Chrome	35m 9s
Test ipc access on Firefox	31m 34s
Test ipc access on Chrome	34m 55s
Test metadata-xml on Firefox	22m 55s
Test metadata-xml on Chrome	22m 8s
Test tcc on Firefox	18m 43s
Test tcc on Chrome	18m 4s
Test tpc on Firefox	16m 19s
Test tpc on Chrome	19m 33s
Test uuids-dirs on Firefox	16m 21s
Test uuids-dirs on Chrome	16m 52s
	7h 30m 27s

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