Reverts "Reapply "Update the AccessibilityPlugin::Announce method to account f… (#174365)"#176059

auto-submit[bot] merged 1 commit intomasterflutter/flutter:masterfrom

revert_bf97b096090647c884a510164ac0bc6cf9c1b2a4flutter/flutter:revert_bf97b096090647c884a510164ac0bc6cf9c1b2a4Copy head branch name to clipboard