emulator: opengl: Fix the Windows SDK build

Change-Id: I97be6f81af321f75ff5d43b258387fdc039f0210

tools/emulator/opengl/shared/OpenglCodecCommon/Android.mk

diff --git a/tools/emulator/opengl/shared/OpenglCodecCommon/Android.mk b/tools/emulator/opengl/shared/OpenglCodecCommon/Android.mk
index fb9c2c9..2f7da79 100644
--- a/tools/emulator/opengl/shared/OpenglCodecCommon/Android.mk
+++ b/tools/emulator/opengl/shared/OpenglCodecCommon/Android.mk
@@ -11,10 +11,6 @@
         TcpStream.cpp \
         TimeUtils.cpp
 
-ifneq ($(HOST_OS),windows)
-    commonSources += UnixStream.cpp
-endif
-
 ### CodecCommon  guest ##############################################
 $(call emugl-begin-static-library,libOpenglCodecCommon)
 
@@ -31,6 +27,12 @@
 
 LOCAL_SRC_FILES := $(commonSources)
 
+ifeq ($(HOST_OS),windows)
+    LOCAL_SRC_FILES += Win32PipeStream.cpp
+else
+    LOCAL_SRC_FILES += UnixStream.cpp
+endif
+
 $(call emugl-export,STATIC_LIBRARIES,libcutils)
 $(call emugl-export,C_INCLUDES,$(LOCAL_PATH))
 $(call emugl-end-module)