Merge "Check for null for race with DreamManagerService" into main

            mDozingRequested = true;

            updateDozing();

            mDozeLog.traceDozing(mStatusBarStateController.isDozing());

            // This is initialized in a CoreStartable, but binder calls from DreamManagerService can

            // arrive earlier

            if (mCentralSurfaces != null) {

                mCentralSurfaces.updateIsKeyguard();

            }

        }

    }

    void updateDozing() {

        Assert.isMainThread();