Don't expose Android set selection accessibility action for empty text fields

content/browser/accessibility/accessibility_tree_formatter_android.cc

Index: content/browser/accessibility/accessibility_tree_formatter_android.cc
diff --git a/content/browser/accessibility/accessibility_tree_formatter_android.cc b/content/browser/accessibility/accessibility_tree_formatter_android.cc
index 2870e519a853d0ffadc5f404769d0aca91a8d468..40bca53d0d0e5e2331e6f1675917eba98048bd4d 100644
--- a/content/browser/accessibility/accessibility_tree_formatter_android.cc
+++ b/content/browser/accessibility/accessibility_tree_formatter_android.cc
@@ -35,6 +35,7 @@ const char* const BOOL_ATTRIBUTES[] = {
   "editable_text",
   "focusable",
   "focused",
+  "has_non_empty_value",
   "heading",
   "hierarchical",
   "invisible",
@@ -117,6 +118,7 @@ void AccessibilityTreeFormatterAndroid::AddProperties(
   dict->SetBoolean("editable_text", android_node->IsEditableText());
   dict->SetBoolean("focusable", android_node->IsFocusable());
   dict->SetBoolean("focused", android_node->IsFocused());
+  dict->SetBoolean("has_non_empty_value", android_node->HasNonEmptyValue());
   dict->SetBoolean("heading", android_node->IsHeading());
   dict->SetBoolean("hierarchical", android_node->IsHierarchical());
   dict->SetBoolean("invisible", !android_node->IsVisibleToUser());