Tests

Bump third_party/perfetto/repo from `b9aca8f` to `a82d8fc` #5274

Job	Run time
REPL Tests - Linux	4m 50s
Test Suites - Darwin (no-ble-asan-clang)	1h 23m 20s
Test Suites - Darwin (no-ble-tsan-clang)	1h 43m 36s
Test Suites - Linux (no-ble-tsan-clang)	4m 20s
REPL Tests - Darwin	0s
	3h 16m 6s

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