rustc-1.64.0 Build 9099361

Test: m rust
Change-Id: I0f104dec7027a01524be155a63cae05f494c7101
diff --git a/rust/config/global.go b/rust/config/global.go
index e676837..81aec7e 100644
--- a/rust/config/global.go
+++ b/rust/config/global.go
@@ -24,7 +24,7 @@
 var pctx = android.NewPackageContext("android/soong/rust/config")
 
 var (
-	RustDefaultVersion = "1.63.0"
+	RustDefaultVersion = "1.64.0"
 	RustDefaultBase    = "prebuilts/rust/"
 	DefaultEdition     = "2021"
 	Stdlibs            = []string{