Add NACL_GOMA_THREADS in build_nexe.py to limit number of threads (for sergeyu)
Add NACL_GOMA_THREADS in build_nexe.py to limit number of threads (for sergeyu)

When compiling with goma number of threads is now limited to 100 instead
of always running in burst mode.

BUG=368766
R=noelallen@chromium.org

Review URL: https://codereview.chromium.org/262023002

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@13136 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client