By Brittany Hosea-Small, Nathan Layne and Rich McKay SAN JOSE, California (Reuters) – More than a dozen San Jose, California, police officers walked through the white arches of the Grand Century Mall in “Little Saigon” to reassure a Vietnamese-American community fearful over the rise in anti-Asian hate crimes in the United States. The officers walked through the arcade of hair and nail salons, restaurants serving Vietnamese cuisine, and herbal medicine shops on Saturday, talking to business owners and patrons. They then conducted a similar tour of San Jose’s Japantown, where a citizen patrol g…