Merge "Expand comment about using a merge api base"

    cmd: metalava_cmd +

        "--check-compatibility:api:released $(location :android.api.module-lib.latest) " +

        // Note: having "public" be the base of module-lib is not perfect -- it should

        // ideally be a merged public+system), but this will  help when migrating from

        // MODULE_LIBS -> public.

        // ideally be a merged public+system (which metalava is not currently able to generate).

        // This "base" will help when migrating from MODULE_LIBS -> public, but not when

        // migrating from MODULE_LIBS -> system (where it needs to instead be listed as

        // an incompatibility).

        "--check-compatibility:base $(location :frameworks-base-api-current.txt) " +

        "--baseline:compatibility:released $(location :android-incompatibilities.api.module-lib.latest) " +

        "--update-baseline:compatibility:released $(genDir)/updated-baseline.txt " +