Revert of [Android] Make failure to find tombstones nonfatal. (patchset #2 id:20001 of https://codereview.chromium.org/
1002293004/)
Reason for revert:
Looks like this is causing flaky failures on the CQ.
Original issue's description:
> [Android] Make failure to find tombstones nonfatal.
>
> BUG=467918
>
> Committed: https://crrev.com/
724e0baba29a167e97c119335eff476fa4437269
> Cr-Commit-Position: refs/heads/master@{#321219}
TBR=klundberg@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=467918
Review URL: https://codereview.chromium.org/
1004803008
Cr-Commit-Position: refs/heads/master@{#321259}