LOS ANGELES—Los Angeles County’s much-debated COVID-19 indoor mask-wearing mandate could be lifted by Friday, according to the public health director, aligning the county with the state’s action that took effect Tuesday. The move would mean Los Angeles County will no longer require people to wear masks at indoor businesses. The county is one of the final holdouts in California not to align with the state on the masking rules. The state last month dropped its indoor mask-wearing mandate for vaccinated people. On Tuesday, it also dropped the mandate for unvaccinated people. Los Angeles County, however, resisted dropping the indoor masking requirement. Public Health Director Barbara Ferrer said the county wanted to wait until the local virus-transmission rate fell out of the “high” category as defined by the U.S. Centers for Disease Control and Prevention (CDC), and maintained the lower level for at least two weeks. Under the current rate of …