Merge "make sure to update the "current state" when we "fake" the transaction" into jb-mr2-dev

                if (!front.activeTransparentRegion.isTriviallyEqual(

                        front.requestedTransparentRegion)) {

                    front.activeTransparentRegion = front.requestedTransparentRegion;

                    // We also need to update the current state so that

                    // we don't end-up overwriting the drawing state with

                    // this stale current state during the next transaction

                    //

                    // NOTE: We don't need to hold the transaction lock here

                    // because State::active is only accessed from this thread.

                    current.activeTransparentRegion = front.activeTransparentRegion;

                    // recompute visible region

                    recomputeVisibleRegions = true;

                }