Merge "Reacquire wm lock when positing to handler"

                : new AppearanceRegion[]{

                        new AppearanceRegion(fullscreenAppearance, fullscreenStackBounds)};

        final boolean isNavbarColorManagedByIme = result.second;

        String cause = win.toString();

        mHandler.post(() -> {

            StatusBarManagerInternal statusBar = getStatusBarManagerInternal();

            if (statusBar != null) {

                final int displayId = getDisplayId();

                statusBar.setDisableFlags(displayId, visibility & StatusBarManager.DISABLE_MASK,

                        win.toString());

                        cause);

                if (transientState.first.length > 0) {

                    statusBar.showTransient(displayId, transientState.first);

                }

                statusBar.topAppWindowChanged(displayId, isFullscreen, isImmersive);

                // TODO(b/118118435): Remove this after removing system UI visibilities.

                synchronized (mLock) {

                    mDisplayContent.statusBarVisibilityChanged(

                            visibility & ~(View.STATUS_BAR_UNHIDE | View.NAVIGATION_BAR_UNHIDE));

                }

            }

        });

        return diff;

    }