Retire device/generic/mini-emulator-x86_64 am: 0914fc21da am: ea23d936c3

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/mini-emulator-x86_64/+/11494057

Change-Id: Ic48852623f8cd6341147120f4f0c473b61d76c4d
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
+}