camera: add support for camera removal

Add camera removal support to CameraProvider and CameraModule.

Change-Id: I047e486d1665ba9e0b1455f77a7bbbb5e0d66653
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
diff --git a/camera/common/1.0/default/include/CameraModule.h b/camera/common/1.0/default/include/CameraModule.h
index 9fbfbd5..deebd09 100644
--- a/camera/common/1.0/default/include/CameraModule.h
+++ b/camera/common/1.0/default/include/CameraModule.h
@@ -63,6 +63,8 @@
     const char* getModuleAuthor() const;
     // Only used by CameraModuleFixture native test. Do NOT use elsewhere.
     void *getDso();
+    // Only used by CameraProvider
+    void removeCamera(int cameraId);
 
 private:
     // Derive camera characteristics keys defined after HAL device version