Merge "Add container to .aconfig" into main

services/accessibility/Android.bp

@@ -58,6 +58,7 @@ java_library_static {
 aconfig_declarations {
     name: "com_android_server_accessibility_flags",
     package: "com.android.server.accessibility",
+    container: "system",
     srcs: [
         "accessibility.aconfig",
     ],

services/accessibility/accessibility.aconfig

 package: "com.android.server.accessibility"
+container: "system"
 
 # NOTE: Keep alphabetized to help limit merge conflicts from multiple simultaneous editors.