Generate license header with cargo_embargo. am: 0d0e30bfd3

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/async-stream-impl/+/3206585

Change-Id: Ia8e16c05b997c292f0f2610a811742b90b21c661
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

Android.bp

diff --git a/Android.bp b/Android.bp
index b74c838..909413c 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,25 +1,15 @@
 // This file is generated by cargo_embargo.
-// 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.
+// Do not modify this file because the changes will be overridden on upgrade.
 
 package {
-    default_applicable_licenses: [
-        "external_rust_crates_async-stream-impl_license",
-    ],
+    default_applicable_licenses: ["external_rust_crates_async-stream-impl_license"],
 }
 
-// Added automatically by a large-scale-change
-// See: http://go/android-license-faq
 license {
     name: "external_rust_crates_async-stream-impl_license",
     visibility: [":__subpackages__"],
-    license_kinds: [
-        "SPDX-license-identifier-MIT",
-    ],
-    license_text: [
-        "LICENSE",
-    ],
+    license_kinds: ["SPDX-license-identifier-MIT"],
+    license_text: ["LICENSE"],
 }
 
 rust_proc_macro {