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chromium/content/test/data/accessibility/aria/aria-live-with-content-expected-android-external.txt 

WebView focusable focused actions:[CLEAR_FOCUS, AX_FOCUS] bundle:[chromeRole="rootWebArea"]
++View text:"Off" actions:[AX_FOCUS, NEXT, PREVIOUS] bundle:[chromeRole="marquee", roleDescription="marquee"]
++View text:"Polite" actions:[AX_FOCUS, NEXT, PREVIOUS] bundle:[chromeRole="marquee", roleDescription="marquee"]
++View text:"Assertive" actions:[AX_FOCUS, NEXT, PREVIOUS] bundle:[chromeRole="marquee", roleDescription="marquee"]