Merge changes from topic "aconfig-improve-dump-formats" into main

* changes:
  aconfig: add 'verbose' dump format
  aconfig: improve the 'text' dump format
  aconfig: remove the 'debug' dump format
diff --git a/tools/aconfig/src/codegen_rust.rs b/tools/aconfig/src/codegen_rust.rs
index 45303ce..053cebc 100644
--- a/tools/aconfig/src/codegen_rust.rs
+++ b/tools/aconfig/src/codegen_rust.rs
@@ -92,7 +92,7 @@
 //! codegenerated rust flag lib
 
 /// flag provider
-pub struct FlagProvider
+pub struct FlagProvider;
 
 impl FlagProvider {
     /// query flag disabled_ro
diff --git a/tools/aconfig/templates/rust_prod.template b/tools/aconfig/templates/rust_prod.template
index 543107e..d518694 100644
--- a/tools/aconfig/templates/rust_prod.template
+++ b/tools/aconfig/templates/rust_prod.template
@@ -1,7 +1,7 @@
 //! codegenerated rust flag lib
 
 /// flag provider
-pub struct FlagProvider
+pub struct FlagProvider;
 
 impl FlagProvider \{