Tests

Bump third_party/perfetto/repo from `b9aca8f` to `7bf1bcb` #6044

Job	Run time
REPL Tests - Linux	1m 50s
Test Suites - Darwin (no-ble-no-shell-asan-clang)	1h 24m 18s
Test Suites - Linux (no-ble-no-shell-tsan-clang)	1m 47s
Test Suites - Darwin (no-ble-no-shell-tsan-clang)	1h 51m 37s
REPL Tests - Darwin	0s
	3h 19m 32s

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