Generate SBOM of products in Soong.

Bug: 324465531
Test: CIs
Test: m soong-sbom
Change-Id: If76776851d49282829a79bfb1c33f05b8f57de31
diff --git a/android/Android.bp b/android/Android.bp
index 774d24a..ce27241 100644
--- a/android/Android.bp
+++ b/android/Android.bp
@@ -93,6 +93,7 @@
         "register.go",
         "rule_builder.go",
         "sandbox.go",
+        "sbom.go",
         "sdk.go",
         "sdk_version.go",
         "shared_properties.go",