[ Merge of http://go/wvgerrit/148450 ] This CL adds threading requirements to the method doc-comments of UsageTableHeader. Bug: 189366337 Test: usage_table_header_unittest Change-Id: I671f702d3e8ec219cc8daaa220133cb8cec183c8
[ Merge of http://go/wvgerrit/148450 ] This CL adds threading requirements to the method doc-comments of UsageTableHeader. Bug: 189366337 Test: usage_table_header_unittest Change-Id: I671f702d3e8ec219cc8daaa220133cb8cec183c8