Update codegen to use single channel in sys prop

Update sys prop name from persist.device_config.<namespace>.<flag> to persist.aconfig_flags.aconfig_flags.<namespace>.<flag>

Bug: b/295379636
Change-Id: I78f00daa574dc016902dce4b9b4ec961f973693c
diff --git a/tools/aconfig/src/codegen_cpp.rs b/tools/aconfig/src/codegen_cpp.rs
index 530af49..30e564a 100644
--- a/tools/aconfig/src/codegen_cpp.rs
+++ b/tools/aconfig/src/codegen_cpp.rs
@@ -289,7 +289,7 @@
 
             virtual bool disabled_rw() override {
                 return server_configurable_flags::GetServerConfigurableFlag(
-                    "aconfig_test",
+                    "aconfig_flags.aconfig_test",
                     "com.android.aconfig.test.disabled_rw",
                     "false") == "true";
             }
@@ -300,7 +300,7 @@
 
             virtual bool enabled_rw() override {
                 return server_configurable_flags::GetServerConfigurableFlag(
-                    "aconfig_test",
+                    "aconfig_flags.aconfig_test",
                     "com.android.aconfig.test.enabled_rw",
                     "true") == "true";
             }
@@ -363,7 +363,7 @@
                       return it->second;
                 } else {
                   return server_configurable_flags::GetServerConfigurableFlag(
-                      "aconfig_test",
+                      "aconfig_flags.aconfig_test",
                       "com.android.aconfig.test.disabled_rw",
                       "false") == "true";
                 }
@@ -392,7 +392,7 @@
                       return it->second;
                 } else {
                   return server_configurable_flags::GetServerConfigurableFlag(
-                      "aconfig_test",
+                      "aconfig_flags.aconfig_test",
                       "com.android.aconfig.test.enabled_rw",
                       "true") == "true";
                 }
diff --git a/tools/aconfig/src/codegen_rust.rs b/tools/aconfig/src/codegen_rust.rs
index 053cebc..0234eb2 100644
--- a/tools/aconfig/src/codegen_rust.rs
+++ b/tools/aconfig/src/codegen_rust.rs
@@ -103,7 +103,7 @@
     /// query flag disabled_rw
     pub fn disabled_rw(&self) -> bool {
         flags_rust::GetServerConfigurableFlag(
-            "aconfig_test",
+            "aconfig_flags.aconfig_test",
             "com.android.aconfig.test.disabled_rw",
             "false") == "true"
     }
@@ -116,7 +116,7 @@
     /// query flag enabled_rw
     pub fn enabled_rw(&self) -> bool {
         flags_rust::GetServerConfigurableFlag(
-            "aconfig_test",
+            "aconfig_flags.aconfig_test",
             "com.android.aconfig.test.enabled_rw",
             "true") == "true"
     }
@@ -178,7 +178,7 @@
     pub fn disabled_rw(&self) -> bool {
         self.overrides.get("disabled_rw").copied().unwrap_or(
             flags_rust::GetServerConfigurableFlag(
-                "aconfig_test",
+                "aconfig_flags.aconfig_test",
                 "com.android.aconfig.test.disabled_rw",
                 "false") == "true"
         )
@@ -205,7 +205,7 @@
     pub fn enabled_rw(&self) -> bool {
         self.overrides.get("enabled_rw").copied().unwrap_or(
             flags_rust::GetServerConfigurableFlag(
-                "aconfig_test",
+                "aconfig_flags.aconfig_test",
                 "com.android.aconfig.test.enabled_rw",
                 "true") == "true"
         )
diff --git a/tools/aconfig/templates/cpp_source_file.template b/tools/aconfig/templates/cpp_source_file.template
index 289e299..f373bc6 100644
--- a/tools/aconfig/templates/cpp_source_file.template
+++ b/tools/aconfig/templates/cpp_source_file.template
@@ -23,7 +23,7 @@
             } else \{
               {{ if item.readwrite- }}
               return server_configurable_flags::GetServerConfigurableFlag(
-                  "{item.device_config_namespace}",
+                  "aconfig_flags.{item.device_config_namespace}",
                   "{item.device_config_flag}",
                   "{item.default_value}") == "true";
               {{ -else- }}
@@ -50,7 +50,7 @@
         virtual bool {item.flag_name}() override \{
             {{ if item.readwrite- }}
             return server_configurable_flags::GetServerConfigurableFlag(
-                "{item.device_config_namespace}",
+                "aconfig_flags.{item.device_config_namespace}",
                 "{item.device_config_flag}",
                 "{item.default_value}") == "true";
             {{ -else- }}
diff --git a/tools/aconfig/templates/rust_prod.template b/tools/aconfig/templates/rust_prod.template
index d518694..e22ad6f 100644
--- a/tools/aconfig/templates/rust_prod.template
+++ b/tools/aconfig/templates/rust_prod.template
@@ -10,7 +10,7 @@
     pub fn {flag.name}(&self) -> bool \{
     {{ if flag.readwrite -}}
         flags_rust::GetServerConfigurableFlag(
-          "{flag.device_config_namespace}",
+          "aconfig_flags.{flag.device_config_namespace}",
           "{flag.device_config_flag}",
           "{flag.default_value}") == "true"
     {{ -else- }}
diff --git a/tools/aconfig/templates/rust_test.template b/tools/aconfig/templates/rust_test.template
index 1e2c28a..fd1229b 100644
--- a/tools/aconfig/templates/rust_test.template
+++ b/tools/aconfig/templates/rust_test.template
@@ -15,7 +15,7 @@
         self.overrides.get("{flag.name}").copied().unwrap_or(
         {{ if flag.readwrite -}}
           flags_rust::GetServerConfigurableFlag(
-            "{flag.device_config_namespace}",
+            "aconfig_flags.{flag.device_config_namespace}",
             "{flag.device_config_flag}",
             "{flag.default_value}") == "true"
         {{ -else- }}