Reverting nacl_fixup_ldso.py sections change.

It turns out the loader does not actually allow all of the sections our glibc
toolchain emits (PT_DYNAMIC + rw in particular). We should fix this,
but for now making an ABI breaking change is undesirable.

BUG=None
TEST=trybots
R=mseaborn@chromium.org

Review URL: https://codereview.chromium.org/22756002
1 file changed