PNaCl: Enable C++ exception handling tests for SJLJ EH on libc++
PNaCl: Enable C++ exception handling tests for SJLJ EH on libc++

I'm leaving the tests enabled for libstdc++ too, until we remove
libstdc++ support from PNaCl, since our libstdc++ branch has changes
for PNaCl SJLJ EH support.

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3696
TEST=eh_tests

Review URL: https://codereview.chromium.org/119313003

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@12581 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

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