[vm] Fix location of Flutter 3xH patch file.

Change-Id: Ib055f110ac189cb553e86d86e6a807cae08c0b6d
Reviewed-on: https://dart-review.googlesource.com/c/93083
Reviewed-by: Samir Jindel <sjindel@google.com>
diff --git a/tools/patches/flutter-flutter/d48de7a3ec97ebf7ffe543aa74993efa51064789.patch b/tools/patches/flutter-engine/fdfe40ea95d4e91dc9fc0d6e0a1f5215ab7c4b40.flutter.patch
similarity index 100%
rename from tools/patches/flutter-flutter/d48de7a3ec97ebf7ffe543aa74993efa51064789.patch
rename to tools/patches/flutter-engine/fdfe40ea95d4e91dc9fc0d6e0a1f5215ab7c4b40.flutter.patch