Optionally embed NOTICE files in apks.

If embed_notices or ALWAYS_EMBED_NOTICES is set, collect NOTICE files
from all dependencies of the android_app, merge them with the app's own
one (if exists), transform it to HTML, gzip it, and put it as an asset
in the final APK output.

Bug: 135460391
Test: app_test.go + Built Mainline modules
Change-Id: I52d92e2fd19b3f5f396100424665c5cc344190d8
Merged-In: I52d92e2fd19b3f5f396100424665c5cc344190d8
(cherry picked from commit 5b425e2e20c55216c1ed13fcf047b0df33886736)

1 files changed, 1 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index 0121b70e..1d65dff0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -54,6 +54,7 @@ bootstrap_go_package {
         "android/mutator.go",
         "android/namespace.go",
         "android/neverallow.go",
+        "android/notices.go",
         "android/onceper.go",
         "android/override_module.go",
         "android/package_ctx.go",