Remove the video capture module on Android.

webrtc/modules/video_capture/video_capture_factory.cc

Index: webrtc/modules/video_capture/video_capture_factory.cc
diff --git a/webrtc/modules/video_capture/video_capture_factory.cc b/webrtc/modules/video_capture/video_capture_factory.cc
index 5b44a6c706c718f81da2d12d82dd77e2bc43401b..f88f916ba473bf03529345b72f2d81f956b34032 100644
--- a/webrtc/modules/video_capture/video_capture_factory.cc
+++ b/webrtc/modules/video_capture/video_capture_factory.cc
@@ -17,7 +17,11 @@ namespace webrtc
 
 VideoCaptureModule* VideoCaptureFactory::Create(const int32_t id,
     const char* deviceUniqueIdUTF8) {
+#if defined(ANDROID)
+  return nullptr;
+#else
   return videocapturemodule::VideoCaptureImpl::Create(id, deviceUniqueIdUTF8);
+#endif
 }
 
 VideoCaptureModule* VideoCaptureFactory::Create(const int32_t id,
@@ -27,7 +31,11 @@ VideoCaptureModule* VideoCaptureFactory::Create(const int32_t id,
 
 VideoCaptureModule::DeviceInfo* VideoCaptureFactory::CreateDeviceInfo(
     const int32_t id) {
+#if defined(ANDROID)
+  return nullptr;
+#else
   return videocapturemodule::VideoCaptureImpl::CreateDeviceInfo(id);
+#endif
 }
 
 }  // namespace webrtc