Fixes a visual issue with the Messaging Layout

A messaging group would still look visible if all of its children
were hidden, which is incorrect. We instead regard it as measured too
small.

Test: add message notification with smart reply, click on smart reply
Change-Id: If5174f95038bf16022d935fd05f337969984f0c2
Fixes: 78214933

core/java/com/android/internal/widget/MessagingGroup.java

@@ -276,9 +276,16 @@ public class MessagingGroup extends LinearLayout implements MessagingLinearLayou
         boolean hasNormal = false;
         for (int i = mMessageContainer.getChildCount() - 1; i >= 0; i--) {
             View child = mMessageContainer.getChildAt(i);
+            if (child.getVisibility() == GONE) {
+                continue;
+            }
             if (child instanceof MessagingLinearLayout.MessagingChild) {
                 int type = ((MessagingLinearLayout.MessagingChild) child).getMeasuredType();
-                if (type == MEASURED_TOO_SMALL) {
+                boolean tooSmall = type == MEASURED_TOO_SMALL;
+                final MessagingLinearLayout.LayoutParams lp =
+                        (MessagingLinearLayout.LayoutParams) child.getLayoutParams();
+                tooSmall |= lp.hide;
+                if (tooSmall) {
                     if (hasNormal) {
                         return MEASURED_SHORTENED;
                     } else {