Fix delayed light status bar animation

package com.android.server.wm;

import static android.view.WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT;

import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DIM_LAYER;

import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;

import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;

                    duration = getDimLayerFadeDuration(duration);

                }

                state.dimLayer.show(dimLayer, dimAmount, duration);

                // If we showed a dim layer, make sure to redo the layout because some things depend

                // on whether a dim layer is showing or not.

                if (targetAlpha == 0) {

                    mDisplayContent.pendingLayoutChanges |= FINISH_LAYOUT_REDO_LAYOUT;

                    mDisplayContent.layoutNeeded = true;

                }

            }

        } else if (state.dimLayer.getLayer() != dimLayer) {

            state.dimLayer.setLayer(dimLayer);