Collect detailed sizes info about .so as well as executable files
Collect detailed sizes info about .so as well as executable files

The interesting statistics about ELF binaries are just as interesting
about .so files as about executable files.  Treat them the same.

BUG= 109318
TEST= ran sizes.py by hand

R=cmp@chromium.org

Review URL: http://codereview.chromium.org/9169018

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@117073 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build