[rust] Update clang version used to build bindgen

Bug: http://b/214080353

Use clang-r445002

Test: presubmit
Change-Id: I8b7d5b55757838c303e3695e398e84687804e948
diff --git a/rust/bindgen.go b/rust/bindgen.go
index f4c337d..c2b0512 100644
--- a/rust/bindgen.go
+++ b/rust/bindgen.go
@@ -30,7 +30,7 @@
 	defaultBindgenFlags = []string{""}
 
 	// bindgen should specify its own Clang revision so updating Clang isn't potentially blocked on bindgen failures.
-	bindgenClangVersion = "clang-r437112b"
+	bindgenClangVersion = "clang-r445002"
 
 	_ = pctx.VariableFunc("bindgenClangVersion", func(ctx android.PackageVarContext) string {
 		if override := ctx.Config().Getenv("LLVM_BINDGEN_PREBUILTS_VERSION"); override != "" {