Rust: use 1.45.2 prebuilts

Test: TH
Change-Id: I2eab5af0a822673ca1f5bb2f63c88edc2c7830ff
diff --git a/rust/config/global.go b/rust/config/global.go
index e1b1775..a127453 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 = "1.44.0"
+	RustDefaultVersion = "1.45.2"
 	RustDefaultBase    = "prebuilts/rust/"
 	DefaultEdition     = "2018"
 	Stdlibs            = []string{