Copy description from Cargo.toml to METADATA am: 7e07a03d09

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/libsqlite3-sys/+/1456857

Change-Id: Ifc445c43ba7a9d9b41f2fe0b791da1b6c8b2071a
diff --git a/METADATA b/METADATA
index 2272e9b..904b6a5 100644
--- a/METADATA
+++ b/METADATA
@@ -10,6 +10,7 @@
     value: "https://static.crates.io/crates/libsqlite3-sys/libsqlite3-sys-0.18.0.crate"
   }
   version: "0.18.0"
+  license_type: NOTICE
   last_upgrade_date {
     year: 2020
     month: 6