google_battery: set NOT_CARE fan level for adaptive charge

Adaptive charge changes charge rate to 0.08C now, judge it through
cc_max. Add condition FAN_CHG_LIMIT_NOT_CARE for charge rate lower than
20.

Bug: 195362474
Signed-off-by: Jenny Ho <[email protected]>
Change-Id: I1ae1adaf82f27c1d9e25cd9659ce127ed25e5036
1 file changed