BY BRADEN CARTWRIGHTDaily Post Staff Writer A realtor who has struck fear throughout a Palo Alto neighborhood has avoided jail for violating restraining orders and allegedly attacking Google co-founder Larry Page’s security guard with an umbrella. April Li, 52, of Palo Alto, admitted on April 24 to three counts of willfully disobeying a court order. She had the rest of her charges dismissed, including battery and 24 counts of willfully disobeyi…