Add the setPreviewWindow camera HAL API to the camera stub.

Change-Id: Ic669f9d5f5ae8f1fe5bd055f55aa4a18fa6d84cd
diff --git a/services/camera/libcameraservice/CameraHardwareStub.cpp b/services/camera/libcameraservice/CameraHardwareStub.cpp
index b3e0ee6..07b5a37 100644
--- a/services/camera/libcameraservice/CameraHardwareStub.cpp
+++ b/services/camera/libcameraservice/CameraHardwareStub.cpp
@@ -101,9 +101,9 @@
     mFakeCamera = 0; // paranoia
 }
 
-sp<IMemoryHeap> CameraHardwareStub::getPreviewHeap() const
+status_t CameraHardwareStub::setPreviewWindow(const sp<ANativeWindow>& buf)
 {
-    return mPreviewHeap;
+    return NO_ERROR;
 }
 
 sp<IMemoryHeap> CameraHardwareStub::getRawHeap() const
diff --git a/services/camera/libcameraservice/CameraHardwareStub.h b/services/camera/libcameraservice/CameraHardwareStub.h
index d3427ba..9b66a76 100644
--- a/services/camera/libcameraservice/CameraHardwareStub.h
+++ b/services/camera/libcameraservice/CameraHardwareStub.h
@@ -29,7 +29,7 @@
 
 class CameraHardwareStub : public CameraHardwareInterface {
 public:
-    virtual sp<IMemoryHeap> getPreviewHeap() const;
+    virtual status_t setPreviewWindow(const sp<ANativeWindow>& buf);
     virtual sp<IMemoryHeap> getRawHeap() const;
 
     virtual void        setCallbacks(notify_callback notify_cb,