rust: Enable stack-protector for Rust modules

Bug: 288407220
Test: m
Change-Id: Ifea0d4e3be715d9cef74ddfc6e64447a006fe0ed
diff --git a/rust/config/global.go b/rust/config/global.go
index f838d0e..d844a25 100644
--- a/rust/config/global.go
+++ b/rust/config/global.go
@@ -41,6 +41,7 @@
 	}
 
 	GlobalRustFlags = []string{
+		"-Z stack-protector=strong",
 		"-Z remap-cwd-prefix=.",
 		"-C codegen-units=1",
 		"-C debuginfo=2",