Add cc_library_static macro to help with bp2build conversion.
Test: Added cc_library_static_conversion_test.go in another CL in the same topic.
Change-Id: Ib16ccf31aad6b7d2acc19e0873e3f8eb7247e42e
The code in this directory is experimental. Bazel support for Android Platform is undergoing active development and workflow stability is currently not guaranteed.