Upgrade TensorBoard TypeScript to 2.2.1
Upgrade TensorBoard TypeScript to 2.2.1

See also: #8326
Change: 152545950

ioeric/tensorboard,ioeric/tensorboard,shakedel/tensorboard,qiuminxu/tensorboard,tensorflow/tensorboard,agrubb/tensorboard,shakedel/tensorboard,tensorflow/tensorboard,shakedel/tensorboard,francoisluus/tensorboard-supervise,shakedel/tensorboard,ioeric/tensorboard,qiuminxu/tensorboard,francoisluus/tensorboard-supervise,qiuminxu/tensorboard,ioeric/tensorboard,shakedel/tensorboard,shakedel/tensorboard,agrubb/tensorboard,tensorflow/tensorboard,ioeric/tensorboard,agrubb/tensorboard,ioeric/tensorboard,qiuminxu/tensorboard,francoisluus/tensorboard-supervise,francoisluus/tensorboard-supervise,tensorflow/tensorboard,francoisluus/tensorboard-supervise,agrubb/tensorboard,qiuminxu/tensorboard,agrubb/tensorboard,agrubb/tensorboard,tensorflow/tensorboard,tensorflow/tensorboard,qiuminxu/tensorboard,francoisluus/tensorboard-supervise,tensorflow/tensorboard