Keep exports_filter libraries linked in cc_shared_library#694

cameron-martin wants to merge 8 commits into

bazelbuild:mainbazelbuild/rules_cc:mainfrom

cameron-martin:fix/cc-shared-library-exports-filter-alwayslinkcameron-martin/rules_cc:fix/cc-shared-library-exports-filter-alwayslinkCopy head branch name to clipboard