Revert of Removing "All Bookmarks"

ios/chrome/browser/resources/Settings.bundle/Experimental.plist

Index: ios/chrome/browser/resources/Settings.bundle/Experimental.plist
diff --git a/ios/chrome/browser/resources/Settings.bundle/Experimental.plist b/ios/chrome/browser/resources/Settings.bundle/Experimental.plist
index 0b517c405407d22f6afe44db828ac2199b255e79..67dd19dc86a4ec4ec879da1a4c38c72683e4e8ff 100644
--- a/ios/chrome/browser/resources/Settings.bundle/Experimental.plist
+++ b/ios/chrome/browser/resources/Settings.bundle/Experimental.plist
@@ -123,6 +123,28 @@
 			<string>PSGroupSpecifier</string>
 			<key>Title</key>
 			<string>UI Settings</string>
+		</dict>
+		<dict>
+			<key>Type</key>
+			<string>PSMultiValueSpecifier</string>
+			<key>Title</key>
+			<string>Enable All Bookmarks</string>
+			<key>Key</key>
+			<string>AllBookmarks</string>
+			<key>DefaultValue</key>
+			<string></string>
+			<key>Titles</key>
+			<array>
+				<string>Default</string>
+				<string>Enabled</string>
+				<string>Disabled</string>
+			</array>
+			<key>Values</key>
+			<array>
+				<string></string>
+				<string>Enabled</string>
+				<string>Disabled</string>
+			</array>
 		</dict>
 		<dict>
 			<key>Type</key>