[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
am: 8619248495

Change-Id: I8109cacbe07a81a2a09a03904e459943b6f8021a