Add symbol api for randn and fix shape issue for randn ndarray and symbol api - #15772

Add symbol api for randn and fix shape issue for randn ndarray and symbol api#15772

roywei merged 11 commits into

apache:masterapache/mxnet:masterfrom

ChaiBapchya:randn_symbolChaiBapchya/mxnet:randn_symbolCopy head branch name to clipboard