Added a warning for bodmovin < 4.5.0

This is necessary because the closed property on shapes was in a
different place
diff --git a/lottie/src/main/java/com/airbnb/lottie/LottieComposition.java b/lottie/src/main/java/com/airbnb/lottie/LottieComposition.java
index 5ad8768..a12b41b 100644
--- a/lottie/src/main/java/com/airbnb/lottie/LottieComposition.java
+++ b/lottie/src/main/java/com/airbnb/lottie/LottieComposition.java
@@ -62,6 +62,9 @@
     this.majorVersion = major;
     this.minorVersion = minor;
     this.patchVersion = patch;
+    if (!Utils.isAtLeastVersion(this, 4, 5, 0)) {
+      addWarning("Lottie only supports bodymovin >= 4.5.0");
+    }
   }
 
   void addWarning(String warning) {