Re-wrap error received in try/catch block when calling GUM in order to provide more details on error, like what devices and constraints were used during the call

modules/RTC/RTCUtils.js

@@ -812,8 +812,9 @@ var RTCUtils = {
                 });
         } catch (e) {
             logger.error('GUM failed: ', e);
+
             if (failure_callback) {
-                failure_callback(e);
+                failure_callback(new JitsiTrackError(e, constraints, um));
             }
         }
     },