Revert 217273 "Android: run dex with the --force-jumbo switch."

Revert 217273 "Android: run dex with the --force-jumbo switch."

I think it caused Android tests such as this one to fail:
  MinidumpWriterTest.MinidumpSizeLimit

Either way, it was submitted without try jobs. Always run try jobs.

> Android: run dex with the --force-jumbo switch.
> 
> This is needed to merge dex files collectively containing more than 65536
> strings. More details at
> https://code.google.com/p/android/issues/detail?id=40772 and in the bug.
> 
> BUG=272064
> R=andrewhayden@chromium.org
> 
> Review URL: https://codereview.chromium.org/22950006

TBR=ppi@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=217286

[dmazzoni, 2013-08-13 17:49:53]

Committed patchset #1 manually as r217286.

[dmazzoni, 2013-08-13 17:50:32]

Oops, I see that the first patch set passed try jobs.
I still think this may have caused the failure, though.