a4a1f4f Roll fuchsia/sdk/core/mac-amd64 from iYYAH... to 5B5jq... (flutter/engine#16744)

engine-flutter-autoroll · engine-flutter-autoroll · commit 5d4f52f97967 · 2020-02-25T00:28:21.000Z
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
@@ -1 +1 @@
-f758eb97cccd2f921dbbbc7bcc9b4d364aef28ec
+a4a1f4f6bca814852fb2ed53b3330401f0997838
