video: update orientation after switch input

Because front and back camera have different mirroring settings
this ensure that after switch input video displayed correctly.

Change-Id: I8490d334fb58dbf0c81c82541db03649deb7335f

Ring/Ring/Calls/CallViewModel.swift

@@ -509,6 +509,7 @@ class CallViewModel: Stateable, ViewModel {
 
     func switchCamera() {
         self.videoService.switchCamera()
+        videoService.setCameraOrientation(orientation: UIDevice.current.orientation, forceUpdate: true)
     }
 
     func switchSpeaker() {

Ring/Ring/Services/VideoService.swift

@@ -380,7 +380,7 @@ class VideoService: FrameExtractorDelegate {
         }).disposed(by: self.disposeBag)
     }
 
-    func setCameraOrientation(orientation: UIDeviceOrientation) {
+    func setCameraOrientation(orientation: UIDeviceOrientation, forceUpdate: Bool = false) {
         var newOrientation: AVCaptureVideoOrientation
         switch orientation {
         case .portrait:
@@ -394,7 +394,7 @@ class VideoService: FrameExtractorDelegate {
         default:
             newOrientation = AVCaptureVideoOrientation.portrait
         }
-        if newOrientation == self.currentOrientation {
+        if newOrientation == self.currentOrientation && !forceUpdate {
             self.log.warning("no orientation change required")
             return
         }