fpcmoc: fix incorrect immobile handling during enrollment and add error handling to evt_finger_dwn
There are 2 fixes:
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fix incorrect immobile handling during enrollment For the custom enrollment, if the number of immobile touches have reached the maximum, we should treat this touch as normal (valid) and increase the enrollment progress.
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add error handling to evt_finger_dwn Redo the current task state if we got failed status from evt_finger_dwn