Revert of Findbugs roll from 2.0.3 to 3.0.0 (patchset #1 id:1 of...

Revert of Findbugs roll from 2.0.3 to 3.0.0 (patchset #1 id:1 of https://codereview.chromium.org/604623002/)

Reason for revert:
findbugs expectations needs updating together with this roll.

Original issue's description:
> Findbugs roll from 2.0.3 to 3.0.0
>
> BUG=None
>
> Committed: https://crrev.com/cb90500709f6f56788fdd8c15da345220aa5b983
> Cr-Commit-Position: refs/heads/master@{#296595}

TBR=tedchoc@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=None

Review URL: https://codereview.chromium.org/597263003

Cr-Commit-Position: refs/heads/master@{#296611}

DEPS

@@ -480,7 +480,7 @@ deps_os = {
      Var('chromium_git') + '/chromium/deps/apache-mime4j.git' + '@' + '28cb1108bff4b6cf0a2e86ff58b3d025934ebe3a',
 
     'src/third_party/findbugs':
-     Var('chromium_git') + '/chromium/deps/findbugs.git' + '@' + '81ec534e79de4494c1ad98ad025a56c8f3361fd1',
+     Var('chromium_git') + '/chromium/deps/findbugs.git' + '@' + '7f69fa78a6db6dc31866d09572a0e356e921bf12',
 
     'src/third_party/freetype':
      Var('chromium_git') + '/chromium/src/third_party/freetype.git' + '@' + 'a2b9955b49034a51dfbc8bf9f4e9d312149cecac',