Stop passing alwayslink=1 with linkmode="c-shared" (#1913)
Stop passing alwayslink=1 with linkmode="c-shared" (#1913)

The cc_import attribute alwayslink should only be set when a static
library is provided. We should only set it when linkmode =
"c-archive".

Fixes #1909
Xjs/rules_go,bazelbuild/rules_go,bazelbuild/rules_go,Xjs/rules_go,bazelbuild/rules_go,bazelbuild/rules_go,Xjs/rules_go,bazelbuild/rules_go,Xjs/rules_go,Xjs/rules_go