Make cc_library(alwayslink=True) apply to .a in srcs#574

keith wants to merge 3 commits intobazelbuild:mainbazelbuild/rules_cc:mainfrom

keith:ks/make-cc_library-alwayslink-true-apply-to-.a-in-srcskeith/rules_cc:ks/make-cc_library-alwayslink-true-apply-to-.a-in-srcsCopy head branch name to clipboard