Camera: Add video stabilization mode to camera session stats

Store the videoStabilization key value in the last request of the session.

Test: ./out/host/linux-x86/bin/statsd_testdrive 227
Bug: 224639088
Change-Id: I9f5dcc7d2eaa045e7243774df150e46b29aa491f
diff --git a/services/camera/libcameraservice/common/Camera2ClientBase.h b/services/camera/libcameraservice/common/Camera2ClientBase.h
index 9cba2f1..ec33f46 100644
--- a/services/camera/libcameraservice/common/Camera2ClientBase.h
+++ b/services/camera/libcameraservice/common/Camera2ClientBase.h
@@ -91,7 +91,7 @@
     void                  notifyIdleWithUserTag(int64_t requestCount, int64_t resultErrorCount,
                                      bool deviceError,
                                      const std::vector<hardware::CameraStreamStats>& streamStats,
-                                     const std::string& userTag);
+                                     const std::string& userTag, int videoStabilizationMode);
 
     int                   getCameraId() const;
     const sp<CameraDeviceBase>&