Switch AppRTCMobile #import headers.

Bug: None
Change-Id: Ia03faae59e4891039fc6c0acdeb51fdfea048c7b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/189547
Reviewed-by: Anders Carlsson <andersc@webrtc.org>
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32447}
diff --git a/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.m b/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.m
index a6a1127..2ddde6d 100644
--- a/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.m
+++ b/examples/objc/AppRTCMobile/ios/ARDFileCaptureController.m
@@ -10,7 +10,7 @@
 
 #import "ARDFileCaptureController.h"
 
-#import <WebRTC/RTCFileVideoCapturer.h>
+#import "sdk/objc/components/capturer/RTCFileVideoCapturer.h"
 
 @interface ARDFileCaptureController ()