Merge pull request #5273 from srahim/timob-16317-32X

[TIMOB-16317] 3_2_X : TriggerRow update when backgroundColor is being changed.

iphone/Classes/TiUITableViewRowProxy.m

@@ -914,7 +914,7 @@ -(void)propertyChanged:(NSString*)key oldValue:(id)oldValue newValue:(id)newValu
                 [callbackCell setNeedsDisplay];
             } else if ([key isEqualToString:@"backgroundColor"]) {
                 [callbackCell setBackgroundColor:[[TiUtils colorValue:newValue] color]];
-                [callbackCell setNeedsDisplay];
+                [self triggerRowUpdate];
             } else if ([key isEqualToString:@"accessibilityLabel"]){
                 callbackCell.accessibilityLabel = [TiUtils stringValue:newValue];
             }