test: allow dumping protocol packets via `-vvv` #4322

Job	Run time
Emulator (universal, debuglink, x86_64, noasan)	3m 16s
Emulator (btconly, debuglink, x86_64, noasan)	3m 3s
Emulator arm	0s
Firmware (universal, debuglink)	4m 8s
Firmware (btconly, debuglink)	3m 55s
Upgrade test (noasan)	3m 54s
Device test (universal, noasan)	8m 20s
Upload emulator binaries	0s
Device test (btconly, noasan)	4m 38s
HWI test	0s
UI diff from main branch	2m 37s
	33m 51s

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