Rename API surface provided to mainline modules This API surface is provided by platform and mainline modules to other mainline modules. Rename it to module-lib API surface to align it with the terminology in go/android-api-types Test: b test //build/bazel/rules/apis:cc_api_test_suite Change-Id: I7e40cddae4e9fb8911a9ba50405f4a28948c1320