Merge "Correct exiting pip animation state." into pi-dev

    // case we need to give the client a new Surface if it lays back out to a visible state.

    boolean mChildrenDetached = false;

    // Set to true after the first frame of the Pinned stack animation

    // and reset after the last to ensure we only reset mForceScaleUntilResize

    // once per animation.

    boolean mPipAnimationStarted = false;

    WindowStateAnimator(final WindowState win) {

        final WindowManagerService service = win.mService;

            // As we are in SCALING_MODE_SCALE_TO_WINDOW, SurfaceFlinger will

            // then take over the scaling until the new buffer arrives, and things

            // will be seamless.

            if (mPipAnimationStarted == false) {

                mForceScaleUntilResize = true;

                mPipAnimationStarted = true;

            }

        } else {

            mPipAnimationStarted = false;

            if (!w.mSeamlesslyRotated) {

                mSurfaceController.setPositionInTransaction(mXOffset, mYOffset, recoveringMemory);

            }