chore(unity-project): write app hang, oom, signal and cpp exception code
chore(unity-project): write app hang, oom, signal and cpp exception code

bugsnag/bugsnag-unity,bugsnag/bugsnag-unity,bugsnag/bugsnag-unity,bugsnag/bugsnag-unity,bugsnag/bugsnag-unity,bugsnag/bugsnag-unity