Replace system_ext container with system

Bug: b/365135457
Test: m
Flag: EXEMPT refactor
Change-Id: I574c5971e93172b3919b5676f917761d77aa0841

aconfig/Android.bp

@@ -6,7 +6,7 @@ package {
 aconfig_declarations {
     name: "aconfig_settings_flags",
     package: "com.android.settings.flags",
-    container: "system_ext",
+    container: "system",
     srcs: [
         "*.aconfig",
     ],
@@ -20,7 +20,7 @@ java_aconfig_library {
 aconfig_declarations {
     name: "factory_reset_flags",
     package: "com.android.settings.factory_reset",
-    container: "system_ext",
+    container: "system",
     srcs: ["factory_reset/*.aconfig"],
 }
 
@@ -32,7 +32,7 @@ java_aconfig_library {
 aconfig_declarations {
     name: "media_drm_flags",
     package: "com.android.settings.media_drm",
-    container: "system_ext",
+    container: "system",
     srcs: ["media_drm/*.aconfig"],
 }
 
@@ -44,7 +44,7 @@ java_aconfig_library {
 aconfig_declarations {
     name: "accessibility_flags",
     package: "com.android.settings.accessibility",
-    container: "system_ext",
+    container: "system",
     srcs: ["accessibility/*.aconfig"],
 }
 
@@ -56,7 +56,7 @@ java_aconfig_library {
 aconfig_declarations {
     name: "development_settings_flags",
     package: "com.android.settings.development",
-    container: "system_ext",
+    container: "system",
     srcs: [
         "development/**/*.aconfig",
     ],
@@ -70,7 +70,7 @@ java_aconfig_library {
 aconfig_declarations {
     name: "keyboard_flags",
     package: "com.android.settings.keyboard",
-    container: "system_ext",
+    container: "system",
     srcs: ["keyboard/*.aconfig"],
 }