Copy description from Cargo.toml to METADATA am: 7ca0635669 am: 0c11f4367b am: 18a6c0f491

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/rustc-hash/+/1456779

Change-Id: Ibe2c8cff9e4ace77c6767e2afb461ed9ae4342b7
diff --git a/METADATA b/METADATA
index 856b409..6f1612e 100644
--- a/METADATA
+++ b/METADATA
@@ -1,5 +1,5 @@
 name: "rustc-hash"
-description: "A speedy hash algorithm used within rustc. The hashmap in liballoc by default uses SipHash which isn\'t quite as speedy as we want. In the compiler we\'re not really worried about DOS attempts, so we use a fast non-cryptographic hash."
+description: "speed, non-cryptographic hash used in rustc"
 third_party {
   url {
     type: HOMEPAGE