[erl-frontend] Move back unary/binary operator matching into translation
[erl-frontend] Move back unary/binary operator matching into translation

Summary: There are multiple operators in Erlang that require special treatment and cannot be simply mapped to a SIL operator (for example andalso, orelse, exactly equal, xor). Therefore it is not practical to have a helper function mapping these operators to SIL operators.

Reviewed By: skcho

Differential Revision: D29814373

fbshipit-source-id: 892219fd3

jvillard/infer,facebook/infer,jvillard/infer,jvillard/infer,jvillard/infer,jvillard/infer,jvillard/infer,facebook/infer,jvillard/infer,facebook/infer,facebook/infer,facebook/infer,facebook/infer,facebook/infer