Merge "Account for text alignment in Op bounds calculation" into jb-mr2-dev

            const float* positions, SkPaint* paint, float length)

            : DrawBoundedOp(paint), mText(text), mBytesCount(bytesCount), mCount(count),

            mX(x), mY(y), mPositions(positions), mLength(length) {

        // duplicates bounds calculation from OpenGLRenderer::drawText, but doesn't alter mX

        SkPaint::FontMetrics metrics;

        paint->getFontMetrics(&metrics, 0.0f);

        mLocalBounds.set(mX, mY + metrics.fTop, mX + length, mY + metrics.fBottom);

        switch (paint->getTextAlign()) {

        case SkPaint::kCenter_Align:

            x -= length / 2.0f;

            break;

        case SkPaint::kRight_Align:

            x -= length;

            break;

        default:

            break;

        }

        mLocalBounds.set(x, mY + metrics.fTop, x + length, mY + metrics.fBottom);

    }

    virtual status_t applyDraw(OpenGLRenderer& renderer, Rect& dirty, uint32_t level,