Natives: Switched to java.runtime.name for Android

We currently check the VM name which is Dalvik, but in the future this vm name might change to ART. In order to make sure that applications do not break if such a change occurs, switching now might be the best option
Merge pull request #1435 from Unkn0wn0ne/patch-1

SharedLibraryLoader: Fixed possible issue with upcoming Android ART introduction