Merge "Clarify `adb bugreport` failures on pre-N devices." am: 4c7104ab

        // 'bugreport' would generate a lot of output the user might not be prepared to handle).

        fprintf(stderr,

                "Failed to get bugreportz version: 'bugreportz -v' returned '%s' (code %d).\n"

                "If the device does not run Android 7.0 or above, try 'adb bugreport' instead.\n",

                "If the device does not run Android 7.0 or above, try this instead:\n"

                "\tadb bugreport > bugreport.txt\n",

                bugz_output.c_str(), status);

        return status != 0 ? status : -1;

    }