[automerger] Merge "Fix incorrect regex in WebView useragent test." into nougat-cts-dev am: 3be3b7588c am: 7dbdd625a1 am: 18d94ea981 am: 6eb568d49c am: 86e245abc5 am: 0949d08f5b

Change-Id: I0c5b65bef25a7658f362872f214e4aa2ccfd38b1