am 6098c1f4: Fix status bar animation jank on last frame.

            if (SPEW) Slog.d(TAG, "doAnimation before mAnimY=" + mAnimY);

            incrementAnim(frameTimeNanos);

            if (SPEW) Slog.d(TAG, "doAnimation after  mAnimY=" + mAnimY);

            if (mAnimY >= getExpandedViewMaxHeight()-1) {

                if (SPEW) Slog.d(TAG, "Animation completed to expanded state.");

                mAnimating = false;

                updateExpandedViewPos(EXPANDED_FULL_OPEN);

                performExpand();

                return;

            }

            else if (mAnimY < getStatusBarHeight()) {

            if (mAnimY == 0 && mAnimAccel == 0 && mAnimVel == 0) {

                if (SPEW) Slog.d(TAG, "Animation completed to collapsed state.");

                mAnimating = false;

                updateExpandedViewPos(0);

                performCollapse();

                return;

            }

            else {

            if (mAnimY < getStatusBarHeight()) {

                // Draw one more frame with the bar positioned at the top of the screen

                // before ending the animation so that the user sees the bar in

                // its final position.  The call to performCollapse() causes a window

                // relayout which takes time and might cause the animation to skip

                // on the very last frame before the bar disappears if we did it now.

                mAnimY = 0;

                mAnimAccel = 0;

                mAnimVel = 0;

            }

            updateExpandedViewPos((int)mAnimY);

            mChoreographer.postCallback(Choreographer.CALLBACK_ANIMATION,

                    mAnimationCallback, null);

        }

    }

    }

    void stopTracking() {

        mTracking = false;