Merge "Boost correct layer for Recents Go transition" into ub-launcher3-master

        // Keep recents visible throughout the animation.

        SurfaceParams[] params = new SurfaceParams[2];

        // Closing app should stay on top.

        int boostedMode = MODE_CLOSING;

        params[0] = new SurfaceParams(recentsTarget.leash, 1f, null /* matrix */,

                null /* windowCrop */, getLayer(recentsTarget, MODE_OPENING), 0 /* cornerRadius */);

                null /* windowCrop */, getLayer(recentsTarget, boostedMode), 0 /* cornerRadius */);

        valueAnimator.addUpdateListener(new MultiValueUpdateListener() {

            private final FloatProp mScaleX;

                m.postTranslate(mTranslationX.value, mTranslationY.value);

                params[1] = new SurfaceParams(appTarget.leash, mAlpha.value, m,

                        null /* windowCrop */, getLayer(appTarget, MODE_CLOSING),

                        null /* windowCrop */, getLayer(appTarget, boostedMode),

                        0 /* cornerRadius */);

                surfaceApplier.scheduleApply(params);

            }