This makes the filenames of the disted artifacts (api txts and stubs) match the module name of the modules they're from. This matches the naming scheme used by java_sdk_library, which should make the future transition to this build rule easier. Bug: 149293194 Test: lunch sdk_phone_armv7 && m sdk dist && find out/dist/apistubs Change-Id: I076f30931bf2524d57703873cd7de25b3f23b457