Merge "Fix customized activity open/close animation backdrop color" into tm-qpr-dev

                    // When there are more than one changing containers, it may leave part of the

                    // screen empty. Show background color to cover that.

                    showBackdrop = getDisplayContent().mChangingContainers.size() > 1;

                    backdropColor = appTransition.getNextAppTransitionBackgroundColor();

                } else {

                    // Check whether the app has requested to show backdrop for open/close

                    // transition.

                    final Animation a = appTransition.getNextAppRequestedAnimation(enter);

                    showBackdrop = a != null && a.getShowBackdrop();

                    if (a != null) {

                        showBackdrop = a.getShowBackdrop();

                        backdropColor = a.getBackdropColor();

                    }

                }

                backdropColor = appTransition.getNextAppTransitionBackgroundColor();

            }

            final Rect localBounds = new Rect(mTmpRect);

            localBounds.offsetTo(mTmpPoint.x, mTmpPoint.y);