add  rotationOverride for RTCEAGLVideoView

Bug: webrtc:11221
Change-Id: I105b93de21fd2faeaf072c947c08006857c7a654
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/162460
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30117}
diff --git a/sdk/objc/components/renderer/opengl/RTCEAGLVideoView.h b/sdk/objc/components/renderer/opengl/RTCEAGLVideoView.h
index 30764b5..73cd3a1 100644
--- a/sdk/objc/components/renderer/opengl/RTCEAGLVideoView.h
+++ b/sdk/objc/components/renderer/opengl/RTCEAGLVideoView.h
@@ -35,6 +35,9 @@
 - (instancetype)initWithCoder:(NSCoder *)aDecoder
                        shader:(id<RTCVideoViewShading>)shader NS_DESIGNATED_INITIALIZER;
 
+/** @abstract Wrapped RTCVideoRotation, or nil.
+ */
+@property(nonatomic, nullable) NSValue *rotationOverride;
 @end
 
 NS_ASSUME_NONNULL_END