Merge "Avoid global transaction in magnifier"

        // The surface we allocate for the magnifier content + shadow.

        private final SurfaceSession mSurfaceSession;

        private final SurfaceControl mSurfaceControl;

        private final SurfaceControl.Transaction mTransaction = new SurfaceControl.Transaction();

        private final Surface mSurface;

        // The renderer used for the allocated surface.

        private final ThreadedRenderer.SimpleRenderer mRenderer;

                            return;

                        }

                        // Show or move the window at the content draw frame.

                        SurfaceControl.openTransaction();

                        mSurfaceControl.deferTransactionUntil(mSurface, frame);

                        mTransaction.deferTransactionUntilSurface(mSurfaceControl, mSurface, frame);

                        if (updateWindowPosition) {

                            mSurfaceControl.setPosition(pendingX, pendingY);

                            mTransaction.setPosition(mSurfaceControl, pendingX, pendingY);

                        }

                        if (firstDraw) {

                            mSurfaceControl.setLayer(SURFACE_Z);

                            mSurfaceControl.show();

                            mTransaction.setLayer(mSurfaceControl, SURFACE_Z)

                                .show(mSurfaceControl);

                        }

                        SurfaceControl.closeTransaction();

                        mTransaction.apply();

                    };

                    mRenderer.setLightCenter(mDisplay, pendingX, pendingY);

                } else {