Log to the webrtc log stream from webrtc/modules java code.

webrtc/modules/modules_java.gyp

 # Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'targets': [
     {
       'target_name': 'audio_device_module_java',
       'type': 'none',
       'variables': {
         'java_in_dir': 'audio_device/android/java',
+        'additional_src_dirs': [ '../base/java/src', ],
       },
+
       'includes': [ '../../build/java.gypi' ],
     }, # audio_device_module_java
     {
       'target_name': 'video_capture_module_java',
       'type': 'none',
       'dependencies': [
         'video_render_module_java',
       ],
       'variables': {
         'java_in_dir': 'video_capture/android/java',
+        'additional_src_dirs': [ '../base/java/src', ],
       },
       'includes': [ '../../build/java.gypi' ],
     }, # video_capture_module_java
     {
       'target_name': 'video_render_module_java',
       'type': 'none',
       'variables': {
         'java_in_dir': 'video_render/android/java',
+        'additional_src_dirs': [ '../base/java/src', ],
       },
       'includes': [ '../../build/java.gypi' ],
     }, # video_render_module_java
   ],
 }