Set accessibility action label for smart replies.

Currently the TalkBack reads something like "I am here, button,
double-tap to activate". Set an accessiblity delegate that changes
the click action label to "send", so the TalkBack message becomes
"I am here, button, double-tap to send".

Bug: 72216277
Test: In Notify post a notification with choices. Read it via TalkBack.
Change-Id: Ib50f6ff6f698196d905aea2e303b6bd2e5531587
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/SmartReplyView.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/SmartReplyView.java
index 4d86ae9..1431682 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/SmartReplyView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/SmartReplyView.java
@@ -17,6 +17,8 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.accessibility.AccessibilityNodeInfo;
+import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;
 import android.widget.Button;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -179,6 +181,15 @@
             mKeyguardDismissUtil.dismissKeyguardThenExecute(
                     action, null /* cancelAction */, false /* afterKeyguardGone */);
         });
+
+        b.setAccessibilityDelegate(new AccessibilityDelegate() {
+            public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
+                super.onInitializeAccessibilityNodeInfo(host, info);
+                String label = getResources().getString(R.string.accessibility_send_smart_reply);
+                info.addAction(new AccessibilityAction(AccessibilityNodeInfo.ACTION_CLICK, label));
+            }
+        });
+
         return b;
     }