Reason for revert: Breaks downstream code import. Original issue's description: > Reland of Re-enable UBsan on AGC. > > patchset #8 id:300001 of https://codereview.webrtc.org/2003623003/ > > This reverts commit 2b9423f7a18145255deb93f2505a4fd1c3fa9ad7. > > BUG=webrtc:5530 > TBR=peah@webrtc.org, kjellander@webrtc.org > > Committed: https://crrev.com/b1963b403f8e9258c35a02d2622da254cbb90c51 > Cr-Commit-Position: refs/heads/master@{#13132} TBR=henrik.lundin@webrtc.org,minyue@webrtc.org BUG=webrtc:5530 NOTRY=true Review-Url: https://codereview.webrtc.org/2078433003 Cr-Commit-Position: refs/heads/master@{#13169}