Implement Proxy object [[Construct]] internal method (#3657)

The algorithm is based on ECMA-262 v6, 9.5.14

JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu

tests/jerry/es2015/proxy_define_own_property.js

@@ -23,10 +23,5 @@ var handler = { defineProperty (target) {
 
 var proxy = new Proxy(target, handler);
 
-try {
-  // 22.1.2.3.8.c
-  Array.of.call(proxy, 5)
-  assert(false);
-} catch (e) {
-  assert(e instanceof TypeError);
-}
+// 22.1.2.3.8.c
+Array.of.call(proxy, 5)