[automerger] Merge "Fix incorrect regex in WebView useragent test." into nougat-cts-dev am: 3be3b758 am: 7dbdd625 am: 18d94ea9 am: 6eb568d4 am: 86e245ab Change-Id: Ie7eb3d35f6191ebedb2f0e21fcafd71690d473af