Also refactor bp2build-related code for cc_library_headers.
(Retry of previous CL after the presubmit failed to detect a merge conflict)
Test: Added unit test.
Test: bp2build-sync.py write; bazel build //bionic/... still works (but bp2build is disabled for most cc_library_static targets for other reasons)
Change-Id: I2f4405c2fea305623bbc6daaaf62808b0c074216
Revert submission 1594391-bp2build-cc_library_static
Reason for revert: Broke the build on aosp-master
Reverted Changes:
Ib16ccf31a:Add cc_library_static macro to help with bp2build ...
I37c856be2:Add bp2build support for cc_library_static.
Change-Id: Ie94d5bc6da81758cd4e0461c08a810a29643c971
Also refactor bp2build-related code for cc_library_headers.
Test: Added unit test.
Test: bp2build-sync.py write; bazel build //bionic/... still works (but bp2build is disabled for most cc_library_static targets for other reasons)
Change-Id: I37c856be20a47b154909338a22a7dba1ab55693f