Address tkchin's comments on RTCCameraVideoCapturer.

webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h

Index: webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h
index 3a6cf0e558c2bd98dc4344ec8450e00d73d58d0a..6eb6a9dec3946074932da29d0aed31203058c43f 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCCameraVideoCapturer.h
@@ -20,6 +20,9 @@ RTC_EXPORT
 // (usually RTCVideoSource).
 @interface RTCCameraVideoCapturer : RTCVideoCapturer
 
+// Capture session that is used for capturing. Valid from initialization to dealloc.
+@property(readonly, nonatomic) AVCaptureSession *captureSession;
+
 // Returns list of available capture devices that support video capture.
 + (NSArray<AVCaptureDevice *> *)captureDevices;
 // Returns list of formats that are supported by this class for this device.
@@ -32,9 +35,6 @@ RTC_EXPORT
 // Stops the capture session asynchronously.
 - (void)stopCapture;
 
-// Capture session that is used for capturing. Valid from initialization to dealloc.
-@property(readonly, nonatomic) AVCaptureSession *captureSession;
-
 @end
 
 NS_ASSUME_NONNULL_END