add image sensor to camera states (#360)

log.capnp

@@ -150,10 +150,7 @@ struct FrameData {
 
   transform @10 :List(Float32);
 
-  androidCaptureResult @9 :AndroidCaptureResult;
-
   image @6 :Data;
-  globalGainDEPRECATED @5 :Int32;
 
   temperaturesC @24 :List(Float32);
 
@@ -164,6 +161,15 @@ struct FrameData {
     front @3;
   }
 
+  sensor @26 :ImageSensor;
+  enum ImageSensor {
+    unknown @0;
+    ar0321 @1;
+    ox03c10 @2;
+  }
+
+  globalGainDEPRECATED @5 :Int32;
+  androidCaptureResultDEPRECATED @9 :AndroidCaptureResult;
   struct AndroidCaptureResult {
     sensitivity @0 :Int32;
     frameDuration @1 :Int64;