Update Android.bp by running cargo_embargo am: 08ee2745ab am: 9ab317d1b1

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/hex/+/3080410

Change-Id: Id8676f4f2a5ea8fe582af975d92c84f021a8005c
Signed-off-by: Automerger Merge Worker <[email protected]>
diff --git a/Android.bp b/Android.bp
index bcd2bb2..e65e78d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,5 +1,7 @@
 // This file is generated by cargo_embargo.
-// Do not modify this file as changes will be overridden on upgrade.
+// Do not modify this file after the first "rust_*" or "genrule" module
+// because the changes will be overridden on upgrade.
+// Content before the first "rust_*" or "genrule" module is preserved.
 
 package {
     default_applicable_licenses: ["external_rust_crates_hex_license"],