Merge "Remove stopping activity from activities to stop"

                                case RESUMED:

                                case PAUSING:

                                case PAUSED:

                                    // This case created for transitioning activities from

                                    // translucent to opaque {@link Activity#convertToOpaque}.

                                    mStackSupervisor.mStoppingActivities.remove(r);

                                    stopActivityLocked(r);

                                    break;