Add ARM support for redis_memtier.
Add ARM support for redis_memtier.

PiperOrigin-RevId: 373411389

GoogleCloudPlatform/PerfKitBenchmarker,GoogleCloudPlatform/PerfKitBenchmarker,GoogleCloudPlatform/PerfKitBenchmarker,GoogleCloudPlatform/PerfKitBenchmarker