Merge "Fade QC contact photo more slowly" into lmp-dev

    private final PathInterpolator mTextSizePathInterpolator

            = new PathInterpolator(0.16f, 0.4f, 0.2f, 1);

    /**

     * Interpolator that starts and ends with nearly straight segments. At x=0 it has a y of

     * approximately 0.25. We only want the contact photo 25% faded when half collapsed.

     */

    private final PathInterpolator mWhiteBlendingPathInterpolator

            = new PathInterpolator(1.0f, 0.4f, 0.9f, 0.8f);

    private final int[] mGradientColors = new int[] {0,0xAA000000};

    private GradientDrawable mTitleGradientDrawable = new GradientDrawable(

                EXPONENT_ALMOST_ONE);

        mColorMatrix.reset();

        mColorMatrix.setSaturation(semiLinearBeforeMiddle);

        mColorMatrix.postConcat(alphaMatrix(ratio, Color.WHITE));

        mColorMatrix.postConcat(alphaMatrix(

                1 - mWhiteBlendingPathInterpolator.getInterpolation(1 - ratio), Color.WHITE));

        final float colorAlpha;

        if (mPhotoView.isBasedOffLetterTile()) {