Move the serial_port native code

The latest version of the Dart VM require native code for native
extensions to be in the same directory as the Dart file inporting it.

Closes #588

BUG= #588

[email protected]
BUG=

Review URL: https://codereview.chromium.org/2206873004 .

Author: sgjesse

.gitignore

@@ -85,8 +85,8 @@ packages
 /third_party/raspbian/image.tar.gz
 /third_party/raspbian/kernel
 /third_party/raspbian/kernel.tar.gz
-/third_party/serial_port/lib/src/libserial_port.dylib
-/third_party/serial_port/lib/src/libserial_port.so
+/third_party/serial_port/lib/libserial_port.dylib
+/third_party/serial_port/lib/libserial_port.so
 /third_party/stm/stm32cube_fw_f4.tar.gz
 /third_party/stm/stm32cube_fw_f4/
 /third_party/stm/stm32cube_fw_f7.tar.gz

DEPS

@@ -226,7 +226,7 @@ hooks = [
       '--bucket',
       'dartino-dependencies',
       '-d',
-      'sdk/third_party/serial_port/lib/src/',
+      'sdk/third_party/serial_port/lib/',
     ],
   },
   {

pkg/mdns/lib/src/native_extension_api.dart

@@ -6,6 +6,6 @@ library mdns.src.native_extension_api;
 
 import 'dart:isolate';
 
-import "dart-ext:../mdns_extension_lib";
+import "dart-ext:mdns_extension_lib";
 
 SendPort servicePort() native 'MDnsExtension_ServicePort';

third_party/serial_port/README.google

@@ -5,5 +5,6 @@ License File: LICENSE
 Description:
 SerialPort is a Dart Api to provide access read and write access to serial port.
 Local Modifications:
-Added functionality to write binary data instead of strings.
-Throw FileSystemExceptions instead of Strings.
+* Added functionality to write binary data instead of strings.
+* Throw FileSystemExceptions instead of Strings.
+* Moved the native library out to the lib directory

third_party/serial_port/lib/src/libserial_port.dylib.sha1 renamed to third_party/serial_port/lib/libserial_port.dylib.sha1

@@ -17,7 +17,7 @@ library serial_port;
 import 'dart:async';
 import 'dart:isolate';
 import 'dart:io';
-import 'dart-ext:src/serial_port';
+import 'dart-ext:serial_port';
 import 'dart:typed_data';
 
 part 'src/serial_port_impl.dart';