Merge "Fix default wallpaper transition issue" into qt-qpr1-dev

            mBitmap = mWallpaperManager.getBitmap();

            mWallpaperManager.forgetLoadedWallpaper();

            if (mBitmap != null) {

                mSurfaceSize.set(0, 0, mBitmap.getWidth(), mBitmap.getHeight());

                float scale = (float) mScissor.height() / mBitmap.getHeight();

                int surfaceHeight = Math.max(mScissor.height(), mBitmap.getHeight());

                int surfaceWidth = scale > 1f

                        ? Math.round(mBitmap.getWidth() * scale)

                        : mBitmap.getWidth();

                mSurfaceSize.set(0, 0, surfaceWidth, surfaceHeight);

            }

        }

        return mBitmap != null;