docs: radius typed instead of assigned (#21908)

ilmalte · mmalerba · commit 0bfbc9cc3714 · 2021-02-16T09:35:09.000-08:00
#20557 (cherry picked from commit 50a3978)
diff --git a/src/google-maps/map-circle/README.md b/src/google-maps/map-circle/README.md
@@ -17,7 +17,7 @@ export class GoogleMapDemo {
   zoom = 4;
 
   circleCenter: google.maps.LatLngLiteral = {lat: 10, lng: 15};
-  radius: 3;
+  radius = 3;
 }
 ```
 

Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,7 @@ export class GoogleMapDemo {`
`17`	`17`	`zoom = 4;`
`18`	`18`
`19`	`19`	`circleCenter: google.maps.LatLngLiteral = {lat: 10, lng: 15};`
`20`		`- radius: 3;`
	`20`	`+ radius = 3;`
`21`	`21`	`}`
`22`	`22`	```
`23`	`23`