[hack] Removes a dependency between hh_single_compile and folly
[hack] Removes a dependency between hh_single_compile and folly

Summary:
Generate build-id.c and link it with hh_single_compile instead of
patching the ELF by hand.

Reviewed By: Wilfred, jjgriego

Differential Revision: D15198187

fbshipit-source-id: 8319f7550479a3d5bdae3fd4bf061a3bee321d96

mroch/flow,facebook/flow,facebook/flow,gabelevi/flow,facebook/flow,facebook/flow,mroch/flow,mroch/flow,samwgoldman/flow,samwgoldman/flow,gabelevi/flow,facebook/flow,facebook/flow,facebook/flow,mroch/flow,gabelevi/flow,samwgoldman/flow,mroch/flow,samwgoldman/flow,gabelevi/flow,gabelevi/flow,samwgoldman/flow,gabelevi/flow,mroch/flow,samwgoldman/flow,gabelevi/flow,mroch/flow,samwgoldman/flow