[iOS] Enabling multiple touch event for TestJavascript, multi-platform-js, multiplatform-lua.Disabling multiple touch event for multi-platform-cpp.
Merge pull request #2791 from dumganhar/develop

[iOS] [develop] Enabling multiple touch event for TestJavascript, multi-platform-js, multiplatform-lua.Disabling multiple touch event for multi-platform-cpp.