Reenable x86 builds (#476)
Reenable x86 builds (#476)

Summary:
Pull Request resolved: https://github.com/facebook/flipper/pull/476

Fixes https://github.com/facebook/flipper/issues/471

Disabling the x86 builds altogether does more harm than good.

Reviewed By: jknoxville

Differential Revision: D16119936

fbshipit-source-id: cc276dcbd1d55585d8c108b76703aa260c9c9a09

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