Import Cobalt 21.master.0.267507

Includes the following patches:
  https://cobalt-review.googlesource.com/c/cobalt/+/5630
    by devin.cai@mediatek.com
  https://cobalt-review.googlesource.com/c/cobalt/+/5710
    by p.mirgos@samsung.com
  https://cobalt-review.googlesource.com/c/cobalt/+/5730
    by lizhi.fan@samsung.com
diff --git a/src/cobalt/debug/remote/devtools/node_modules/lodash/isMap.js b/src/cobalt/debug/remote/devtools/node_modules/lodash/isMap.js
new file mode 100644
index 0000000..44f8517
--- /dev/null
+++ b/src/cobalt/debug/remote/devtools/node_modules/lodash/isMap.js
@@ -0,0 +1,27 @@
+var baseIsMap = require('./_baseIsMap'),
+    baseUnary = require('./_baseUnary'),
+    nodeUtil = require('./_nodeUtil');
+
+/* Node.js helper references. */
+var nodeIsMap = nodeUtil && nodeUtil.isMap;
+
+/**
+ * Checks if `value` is classified as a `Map` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.3.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+ * @example
+ *
+ * _.isMap(new Map);
+ * // => true
+ *
+ * _.isMap(new WeakMap);
+ * // => false
+ */
+var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
+
+module.exports = isMap;