Revert of Update Dr. Memory to 1.8.16553 (0xd673826). This fixes problems handling HeapWalk(). (patchset #1 id:1 of https://codereview.chromium.org/
1110243003/)
Reason for revert:
Turned all the DrMemory bots red.
Original issue's description:
> Update Dr. Memory to 1.8.16553 (0xd673826). This fixes problems handling HeapWalk().
>
> BUG=481231
> TBR=earthdok@chromium.org
> NOTRY=true
>
> Committed: https://crrev.com/
646b3185e4958a3ab0676717fe048fd6bf6ebb17
> Cr-Commit-Position: refs/heads/master@{#327364}
TBR=earthdok@chromium.org,bruening@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=481231
Review URL: https://codereview.chromium.org/
1117123003
Cr-Commit-Position: refs/heads/master@{#327980}