Retire device/generic/mini-emulator-arm64 am: 6e5559bd6e am: 79d599f20e

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/mini-emulator-arm64/+/11493182

Change-Id: I5b32f2ab97448c3cf55351c29a3674c5df74d8f5
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..d97975c
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,3 @@
+third_party {
+  license_type: NOTICE
+}