Switch to use const std::string; and add corresponding tests. Bug: 32649858 Test: Component tests pass Change-Id: I640f3ec81f1481fa91aa310f8d4d96dac9649cb9
Switch to use const std::string; and add corresponding tests. Bug: 32649858 Test: Component tests pass Change-Id: I640f3ec81f1481fa91aa310f8d4d96dac9649cb9