Fix base64 image asset not fit container's size (#2501)

Currently, I am encountering a similar issue to [#1200](https://github.com/airbnb/lottie-android/issues/1200), but in the case where the asset is a base64 image, it has not been fixed yet.
diff --git a/lottie/src/main/java/com/airbnb/lottie/LottieCompositionFactory.java b/lottie/src/main/java/com/airbnb/lottie/LottieCompositionFactory.java
index 7b0f9e7..d2eaa3b 100644
--- a/lottie/src/main/java/com/airbnb/lottie/LottieCompositionFactory.java
+++ b/lottie/src/main/java/com/airbnb/lottie/LottieCompositionFactory.java
@@ -640,7 +640,9 @@
             Logger.warning("data URL did not have correct base64 format.", e);
             return null;
           }
-          asset.setBitmap(BitmapFactory.decodeByteArray(data, 0, data.length, opts));
+          Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length, opts);
+          bitmap = Utils.resizeBitmapIfNeeded(bitmap, asset.getWidth(), asset.getHeight());
+          asset.setBitmap(bitmap);
         }
       }
     }
diff --git a/lottie/src/main/java/com/airbnb/lottie/manager/ImageAssetManager.java b/lottie/src/main/java/com/airbnb/lottie/manager/ImageAssetManager.java
index 51bd27e..fb491ca 100644
--- a/lottie/src/main/java/com/airbnb/lottie/manager/ImageAssetManager.java
+++ b/lottie/src/main/java/com/airbnb/lottie/manager/ImageAssetManager.java
@@ -107,7 +107,8 @@
         return null;
       }
       bitmap = BitmapFactory.decodeByteArray(data, 0, data.length, opts);
-      return putBitmap(id, bitmap);
+      Bitmap resizedBitmap = Utils.resizeBitmapIfNeeded(bitmap, asset.getWidth(), asset.getHeight());
+      return putBitmap(id, resizedBitmap);
     }
 
     InputStream is;