[automerger] Merge "Fix incorrect regex in WebView useragent test." into nougat-cts-dev am: 3be3b758 am: 7dbdd625 am: 18d94ea9 am: 6eb568d4 am: 86e245ab am: 0949d08f Change-Id: I0c5b65bef25a7658f362872f214e4aa2ccfd38b1