d746877f7 [web] use a permanent live region for a11y announcements (flutter/engine#38015) (flutter#116452)

engine-flutter-autoroll · web-flow · commit e59081887bcc · 2022-12-03T05:58:31.000Z
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
@@ -1 +1 @@
-6d0ff37a44b362e58843220ec65d0081a34778c6
+d746877f73f2db473f2dce41ae73aaf8ceae4c65
