Create `WriteCurrentPwmToFans`

`WriteCurrentPwmToFans` can provide consistent writes for fan PWM sensors (e.g., so that HW failsafe will not triggered during manual mode).

Google-Bug-Id:545704112
PiperOrigin-RevId: 970017331
Change-Id: Ib95707c87c0630b39d79f3ab1b53b674bbf5895a
1 file changed