Reason for revert: Fix upstream should've landed in our repository. Original issue's description: > Disable failing modules_unittests for UBSan. > > BUG=webrtc:5820 > TBR=pbos@webrtc.org > > Committed: https://crrev.com/c23bf2e54d922486254cdd7657aafceaa958ce25 > Cr-Commit-Position: refs/heads/master@{#12482} TBR=kjellander@webrtc.org # Not skipping CQ checks because original CL landed more than 1 days ago. BUG=webrtc:5820 Review-Url: https://codereview.webrtc.org/1937153002 Cr-Commit-Position: refs/heads/master@{#12647}