diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 5f30216..54baae5 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -141,6 +141,7 @@
 aconfig_declarations {
     name: "com.android.window.flags.window-aconfig",
     package: "com.android.window.flags",
+    container: "system",
     srcs: ["core/java/android/window/flags/*.aconfig"],
 }
 
@@ -154,6 +155,7 @@
 aconfig_declarations {
     name: "com.android.hardware.input.input-aconfig",
     package: "com.android.hardware.input",
+    container: "system",
     srcs: ["core/java/android/hardware/input/*.aconfig"],
 }
 
@@ -173,6 +175,7 @@
 aconfig_declarations {
     name: "com.android.text.flags-aconfig",
     package: "com.android.text.flags",
+    container: "system",
     srcs: ["core/java/android/text/flags/*.aconfig"],
 }
 
@@ -191,6 +194,7 @@
 aconfig_declarations {
     name: "android.location.flags-aconfig",
     package: "android.location.flags",
+    container: "system",
     srcs: [
         "location/java/android/location/flags/*.aconfig",
     ],
@@ -206,6 +210,7 @@
 aconfig_declarations {
     name: "android.nfc.flags-aconfig",
     package: "android.nfc",
+    container: "system",
     srcs: ["nfc/java/android/nfc/*.aconfig"],
 }
 
@@ -236,6 +241,7 @@
 aconfig_declarations {
     name: "android.security.flags-aconfig",
     package: "android.security",
+    container: "system",
     srcs: ["core/java/android/security/*.aconfig"],
 }
 
@@ -256,6 +262,7 @@
 aconfig_declarations {
     name: "android.app.usage.flags-aconfig",
     package: "android.app.usage",
+    container: "system",
     srcs: ["core/java/android/app/usage/*.aconfig"],
 }
 
@@ -269,6 +276,7 @@
 aconfig_declarations {
     name: "android.os.flags-aconfig",
     package: "android.os",
+    container: "system",
     srcs: ["core/java/android/os/*.aconfig"],
 }
 
@@ -300,6 +308,7 @@
 aconfig_declarations {
     name: "android.companion.virtualdevice.flags-aconfig",
     package: "android.companion.virtualdevice.flags",
+    container: "system",
     srcs: ["core/java/android/companion/virtual/flags/*.aconfig"],
 }
 
@@ -312,6 +321,7 @@
 aconfig_declarations {
     name: "android.companion.virtual.flags-aconfig",
     package: "android.companion.virtual.flags",
+    container: "system",
     srcs: ["core/java/android/companion/virtual/*.aconfig"],
 }
 
@@ -319,6 +329,7 @@
 aconfig_declarations {
     name: "android.view.inputmethod.flags-aconfig",
     package: "android.view.inputmethod",
+    container: "system",
     srcs: ["core/java/android/view/inputmethod/flags.aconfig"],
 }
 
@@ -332,6 +343,7 @@
 aconfig_declarations {
     name: "android.os.vibrator.flags-aconfig",
     package: "android.os.vibrator",
+    container: "system",
     srcs: ["core/java/android/os/vibrator/*.aconfig"],
 }
 
@@ -345,6 +357,7 @@
 aconfig_declarations {
     name: "android.view.flags-aconfig",
     package: "android.view.flags",
+    container: "system",
     srcs: ["core/java/android/view/flags/*.aconfig"],
 }
 
@@ -363,6 +376,7 @@
 aconfig_declarations {
     name: "android.view.accessibility.flags-aconfig",
     package: "android.view.accessibility",
+    container: "system",
     srcs: ["core/java/android/view/accessibility/flags/*.aconfig"],
 }
 
@@ -381,6 +395,7 @@
 aconfig_declarations {
     name: "android.hardware.flags-aconfig",
     package: "android.hardware.flags",
+    container: "system",
     srcs: ["core/java/android/hardware/flags/*.aconfig"],
 }
 
@@ -394,6 +409,7 @@
 aconfig_declarations {
     name: "android.widget.flags-aconfig",
     package: "android.widget.flags",
+    container: "system",
     srcs: ["core/java/android/widget/flags/*.aconfig"],
 }
 
@@ -413,6 +429,7 @@
 aconfig_declarations {
     name: "android.content.pm.flags-aconfig",
     package: "android.content.pm",
+    container: "system",
     srcs: ["core/java/android/content/pm/flags.aconfig"],
 }
 
@@ -433,6 +450,7 @@
 aconfig_declarations {
     name: "android.content.res.flags-aconfig",
     package: "android.content.res",
+    container: "system",
     srcs: ["core/java/android/content/res/*.aconfig"],
 }
 
@@ -446,6 +464,7 @@
 aconfig_declarations {
     name: "com.android.media.flags.bettertogether-aconfig",
     package: "com.android.media.flags",
+    container: "system",
     srcs: [
         "media/java/android/media/flags/media_better_together.aconfig",
         "media/java/android/media/flags/fade_manager_configuration.aconfig",
@@ -462,6 +481,7 @@
 aconfig_declarations {
     name: "android.media.tv.flags-aconfig",
     package: "android.media.tv.flags",
+    container: "system",
     srcs: ["media/java/android/media/tv/flags/media_tv.aconfig"],
 }
 
@@ -475,6 +495,7 @@
 aconfig_declarations {
     name: "android.permission.flags-aconfig",
     package: "android.permission.flags",
+    container: "system",
     srcs: ["core/java/android/permission/flags.aconfig"],
 }
 
@@ -494,6 +515,7 @@
 aconfig_declarations {
     name: "android.database.sqlite-aconfig",
     package: "android.database.sqlite",
+    container: "system",
     srcs: ["core/java/android/database/sqlite/*.aconfig"],
 }
 
@@ -507,6 +529,7 @@
 aconfig_declarations {
     name: "android.hardware.biometrics.flags-aconfig",
     package: "android.hardware.biometrics",
+    container: "system",
     srcs: ["core/java/android/hardware/biometrics/flags.aconfig"],
 }
 
@@ -546,6 +569,7 @@
 aconfig_declarations {
     name: "android.multiuser.flags-aconfig",
     package: "android.multiuser",
+    container: "system",
     srcs: ["core/java/android/content/pm/multiuser.aconfig"],
 }
 
@@ -559,6 +583,7 @@
 aconfig_declarations {
     name: "android.app.flags-aconfig",
     package: "android.app",
+    container: "system",
     srcs: ["core/java/android/app/*.aconfig"],
 }
 
@@ -572,6 +597,7 @@
 aconfig_declarations {
     name: "android.hardware.radio.flags-aconfig",
     package: "android.hardware.radio",
+    container: "system",
     srcs: ["core/java/android/hardware/radio/*.aconfig"],
 }
 
@@ -585,6 +611,7 @@
 aconfig_declarations {
     name: "android.credentials.flags-aconfig",
     package: "android.credentials.flags",
+    container: "system",
     srcs: ["core/java/android/credentials/flags.aconfig"],
 }
 
@@ -598,6 +625,7 @@
 aconfig_declarations {
     name: "android.view.contentprotection.flags-aconfig",
     package: "android.view.contentprotection.flags",
+    container: "system",
     srcs: ["core/java/android/view/contentprotection/flags/*.aconfig"],
 }
 
@@ -611,6 +639,7 @@
 aconfig_declarations {
     name: "com.android.server.flags.pinner-aconfig",
     package: "com.android.server.flags",
+    container: "system",
     srcs: ["services/core/java/com/android/server/flags/pinner.aconfig"],
 }
 
@@ -624,6 +653,7 @@
 aconfig_declarations {
     name: "android.service.controls.flags-aconfig",
     package: "android.service.controls.flags",
+    container: "system",
     srcs: ["core/java/android/service/controls/flags/*.aconfig"],
 }
 
@@ -637,6 +667,7 @@
 aconfig_declarations {
     name: "android.service.voice.flags-aconfig",
     package: "android.service.voice.flags",
+    container: "system",
     srcs: ["core/java/android/service/voice/flags/*.aconfig"],
 }
 
@@ -650,6 +681,7 @@
 aconfig_declarations {
     name: "android.service.autofill.flags-aconfig",
     package: "android.service.autofill",
+    container: "system",
     srcs: [
         "services/autofill/bugfixes.aconfig",
         "services/autofill/features.aconfig",
@@ -666,6 +698,7 @@
 aconfig_declarations {
     name: "android.companion.flags-aconfig",
     package: "android.companion",
+    container: "system",
     srcs: ["core/java/android/companion/*.aconfig"],
 }
 
@@ -679,6 +712,7 @@
 aconfig_declarations {
     name: "android.net.platform.flags-aconfig",
     package: "android.net.platform.flags",
+    container: "system",
     srcs: ["core/java/android/net/flags.aconfig"],
     visibility: [":__subpackages__"],
 }
@@ -687,6 +721,7 @@
 aconfig_declarations {
     name: "com.android.net.thread.platform.flags-aconfig",
     package: "com.android.net.thread.platform.flags",
+    container: "system",
     srcs: ["core/java/android/net/thread/flags.aconfig"],
 }
 
@@ -707,6 +742,7 @@
 aconfig_declarations {
     name: "android.media.playback.flags-aconfig",
     package: "com.android.media.playback.flags",
+    container: "system",
     srcs: ["media/jni/playback_flags.aconfig"],
 }
 
@@ -725,6 +761,7 @@
 aconfig_declarations {
     name: "android.net.vcn.flags-aconfig",
     package: "android.net.vcn",
+    container: "system",
     srcs: ["core/java/android/net/vcn/*.aconfig"],
 }
 
@@ -738,6 +775,7 @@
 aconfig_declarations {
     name: "device_policy_aconfig_flags",
     package: "android.app.admin.flags",
+    container: "system",
     srcs: [
         "core/java/android/app/admin/flags/flags.aconfig",
     ],
@@ -758,6 +796,7 @@
 aconfig_declarations {
     name: "android.service.chooser.flags-aconfig",
     package: "android.service.chooser",
+    container: "system",
     srcs: ["core/java/android/service/chooser/flags.aconfig"],
 }
 
@@ -771,6 +810,7 @@
 aconfig_declarations {
     name: "framework-jobscheduler-job.flags-aconfig",
     package: "android.app.job",
+    container: "system",
     srcs: ["apex/jobscheduler/framework/aconfig/job.aconfig"],
 }
 
@@ -784,6 +824,7 @@
 aconfig_declarations {
     name: "android.service.dreams.flags-aconfig",
     package: "android.service.dreams",
+    container: "system",
     srcs: ["core/java/android/service/dreams/flags.aconfig"],
 }
 
@@ -797,6 +838,7 @@
 aconfig_declarations {
     name: "android.service.notification.flags-aconfig",
     package: "android.service.notification",
+    container: "system",
     srcs: ["core/java/android/service/notification/flags.aconfig"],
 }
 
@@ -810,6 +852,7 @@
 aconfig_declarations {
     name: "android.app.smartspace.flags-aconfig",
     package: "android.app.smartspace.flags",
+    container: "system",
     srcs: ["core/java/android/app/smartspace/flags.aconfig"],
 }
 
@@ -830,6 +873,7 @@
 aconfig_declarations {
     name: "android.view.contentcapture.flags-aconfig",
     package: "android.view.contentcapture.flags",
+    container: "system",
     srcs: ["core/java/android/view/contentcapture/flags/*.aconfig"],
 }
 
@@ -843,6 +887,7 @@
 aconfig_declarations {
     name: "android.hardware.usb.flags-aconfig",
     package: "android.hardware.usb.flags",
+    container: "system",
     srcs: ["core/java/android/hardware/usb/flags/*.aconfig"],
 }
 
@@ -863,6 +908,7 @@
 aconfig_declarations {
     name: "android.tracing.flags-aconfig",
     package: "android.tracing",
+    container: "system",
     srcs: ["core/java/android/tracing/flags.aconfig"],
 }
 
@@ -876,6 +922,7 @@
 aconfig_declarations {
     name: "android.appwidget.flags-aconfig",
     package: "android.appwidget.flags",
+    container: "system",
     srcs: ["core/java/android/appwidget/flags.aconfig"],
 }
 
@@ -889,6 +936,7 @@
 aconfig_declarations {
     name: "android.server.app.flags-aconfig",
     package: "android.server.app",
+    container: "system",
     srcs: ["services/core/java/com/android/server/app/flags.aconfig"],
 }
 
@@ -902,6 +950,7 @@
 aconfig_declarations {
     name: "android.webkit.flags-aconfig",
     package: "android.webkit",
+    container: "system",
     srcs: [
         "core/java/android/webkit/*.aconfig",
         "services/core/java/com/android/server/webkit/*.aconfig",
@@ -918,6 +967,7 @@
 aconfig_declarations {
     name: "android.provider.flags-aconfig",
     package: "android.provider",
+    container: "system",
     srcs: ["core/java/android/provider/*.aconfig"],
 }
 
@@ -931,6 +981,7 @@
 aconfig_declarations {
     name: "android.crashrecovery.flags-aconfig",
     package: "android.crashrecovery.flags",
+    container: "system",
     srcs: ["packages/CrashRecovery/aconfig/flags.aconfig"],
 }
 
diff --git a/apex/jobscheduler/framework/aconfig/job.aconfig b/apex/jobscheduler/framework/aconfig/job.aconfig
index e73b434..6dbb969 100644
--- a/apex/jobscheduler/framework/aconfig/job.aconfig
+++ b/apex/jobscheduler/framework/aconfig/job.aconfig
@@ -1,4 +1,5 @@
 package: "android.app.job"
+container: "system"
 
 flag {
     name: "enforce_minimum_time_windows"
diff --git a/apex/jobscheduler/service/aconfig/Android.bp b/apex/jobscheduler/service/aconfig/Android.bp
index 3ba7aa2..7f1fd47 100644
--- a/apex/jobscheduler/service/aconfig/Android.bp
+++ b/apex/jobscheduler/service/aconfig/Android.bp
@@ -2,6 +2,7 @@
 aconfig_declarations {
     name: "service-deviceidle.flags-aconfig",
     package: "com.android.server.deviceidle",
+    container: "system",
     srcs: [
         "device_idle.aconfig",
     ],
@@ -17,6 +18,7 @@
 aconfig_declarations {
     name: "service-job.flags-aconfig",
     package: "com.android.server.job",
+    container: "system",
     srcs: [
         "job.aconfig",
     ],
diff --git a/apex/jobscheduler/service/aconfig/device_idle.aconfig b/apex/jobscheduler/service/aconfig/device_idle.aconfig
index fc24b30..7a5e4bf 100644
--- a/apex/jobscheduler/service/aconfig/device_idle.aconfig
+++ b/apex/jobscheduler/service/aconfig/device_idle.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.deviceidle"
+container: "system"
 
 flag {
     name: "disable_wakelocks_in_light_idle"
diff --git a/apex/jobscheduler/service/aconfig/job.aconfig b/apex/jobscheduler/service/aconfig/job.aconfig
index c65e506..db8124e 100644
--- a/apex/jobscheduler/service/aconfig/job.aconfig
+++ b/apex/jobscheduler/service/aconfig/job.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.job"
+container: "system"
 
 flag {
     name: "relax_prefetch_connectivity_constraint_only_on_charger"
diff --git a/core/java/android/app/activity_manager.aconfig b/core/java/android/app/activity_manager.aconfig
index b303ea6..4df67d5 100644
--- a/core/java/android/app/activity_manager.aconfig
+++ b/core/java/android/app/activity_manager.aconfig
@@ -1,4 +1,5 @@
 package: "android.app"
+container: "system"
 
 flag {
      namespace: "system_performance"
diff --git a/core/java/android/app/admin/flags/flags.aconfig b/core/java/android/app/admin/flags/flags.aconfig
index 35ce102..6600ca9 100644
--- a/core/java/android/app/admin/flags/flags.aconfig
+++ b/core/java/android/app/admin/flags/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.app.admin.flags"
+container: "system"
 
 flag {
   name: "policy_engine_migration_v2_enabled"
diff --git a/core/java/android/app/grammatical_inflection_manager.aconfig b/core/java/android/app/grammatical_inflection_manager.aconfig
index 989ce61..1a6bb66 100644
--- a/core/java/android/app/grammatical_inflection_manager.aconfig
+++ b/core/java/android/app/grammatical_inflection_manager.aconfig
@@ -1,4 +1,5 @@
 package: "android.app"
+container: "system"
 
 flag {
     name: "system_terms_of_address_enabled"
diff --git a/core/java/android/app/network-policy.aconfig b/core/java/android/app/network-policy.aconfig
index 88f386f..e7b02a7 100644
--- a/core/java/android/app/network-policy.aconfig
+++ b/core/java/android/app/network-policy.aconfig
@@ -1,4 +1,5 @@
 package: "android.app"
+container: "system"
 
 flag {
      namespace: "backstage_power"
diff --git a/core/java/android/app/notification.aconfig b/core/java/android/app/notification.aconfig
index fb0edb9..30ae689 100644
--- a/core/java/android/app/notification.aconfig
+++ b/core/java/android/app/notification.aconfig
@@ -1,4 +1,5 @@
 package: "android.app"
+container: "system"
 
 flag {
   name: "modes_api"
diff --git a/core/java/android/app/pinner-client.aconfig b/core/java/android/app/pinner-client.aconfig
index b60ad9e..1c9b653e 100644
--- a/core/java/android/app/pinner-client.aconfig
+++ b/core/java/android/app/pinner-client.aconfig
@@ -1,4 +1,5 @@
 package: "android.app"
+container: "system"
 
 flag {
      namespace: "system_performance"
diff --git a/core/java/android/app/smartspace/flags.aconfig b/core/java/android/app/smartspace/flags.aconfig
index 12af888..b763a27 100644
--- a/core/java/android/app/smartspace/flags.aconfig
+++ b/core/java/android/app/smartspace/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.app.smartspace.flags"
+container: "system"
 
 flag {
   name: "remote_views"
diff --git a/core/java/android/app/usage/flags.aconfig b/core/java/android/app/usage/flags.aconfig
index a611255..005541c 100644
--- a/core/java/android/app/usage/flags.aconfig
+++ b/core/java/android/app/usage/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.app.usage"
+container: "system"
 
 flag {
     name: "user_interaction_type_api"
diff --git a/core/java/android/appwidget/flags.aconfig b/core/java/android/appwidget/flags.aconfig
index c95b864..d3ac2c8 100644
--- a/core/java/android/appwidget/flags.aconfig
+++ b/core/java/android/appwidget/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.appwidget.flags"
+container: "system"
 
 flag {
   name: "generated_previews"
diff --git a/core/java/android/companion/flags.aconfig b/core/java/android/companion/flags.aconfig
index 9e410b8..cdfd088 100644
--- a/core/java/android/companion/flags.aconfig
+++ b/core/java/android/companion/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.companion"
+container: "system"
 
 flag {
     name: "new_association_builder"
diff --git a/core/java/android/companion/virtual/flags.aconfig b/core/java/android/companion/virtual/flags.aconfig
index ce2490b..64497d4 100644
--- a/core/java/android/companion/virtual/flags.aconfig
+++ b/core/java/android/companion/virtual/flags.aconfig
@@ -8,6 +8,7 @@
 # instead.
 
 package: "android.companion.virtual.flags"
+container: "system"
 
 flag {
   name: "enable_native_vdm"
diff --git a/core/java/android/companion/virtual/flags/flags.aconfig b/core/java/android/companion/virtual/flags/flags.aconfig
index d26890f..0c35b9d 100644
--- a/core/java/android/companion/virtual/flags/flags.aconfig
+++ b/core/java/android/companion/virtual/flags/flags.aconfig
@@ -14,6 +14,7 @@
 # limitations under the License.
 
 package: "android.companion.virtualdevice.flags"
+container: "system"
 
 flag {
      namespace: "virtual_devices"
diff --git a/core/java/android/content/pm/flags.aconfig b/core/java/android/content/pm/flags.aconfig
index 7f782ab..73c685f 100644
--- a/core/java/android/content/pm/flags.aconfig
+++ b/core/java/android/content/pm/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.content.pm"
+container: "system"
 
 flag {
     name: "quarantined_enabled"
diff --git a/core/java/android/content/pm/multiuser.aconfig b/core/java/android/content/pm/multiuser.aconfig
index 9a1796f..b5292879 100644
--- a/core/java/android/content/pm/multiuser.aconfig
+++ b/core/java/android/content/pm/multiuser.aconfig
@@ -1,4 +1,5 @@
 package: "android.multiuser"
+container: "system"
 
 flag {
     name: "save_global_and_guest_restrictions_on_system_user_xml"
diff --git a/core/java/android/content/res/flags.aconfig b/core/java/android/content/res/flags.aconfig
index 3a00d91..31a1184 100644
--- a/core/java/android/content/res/flags.aconfig
+++ b/core/java/android/content/res/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.content.res"
+container: "system"
 
 flag {
     name: "default_locale"
diff --git a/core/java/android/credentials/flags.aconfig b/core/java/android/credentials/flags.aconfig
index f876eeb..fab8e1a 100644
--- a/core/java/android/credentials/flags.aconfig
+++ b/core/java/android/credentials/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.credentials.flags"
+container: "system"
 
 flag {
     namespace: "credential_manager"
diff --git a/core/java/android/database/sqlite/flags.aconfig b/core/java/android/database/sqlite/flags.aconfig
index 62a5123..899e25f 100644
--- a/core/java/android/database/sqlite/flags.aconfig
+++ b/core/java/android/database/sqlite/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.database.sqlite"
+container: "system"
 
 flag {
      name: "sqlite_apis_35"
diff --git a/core/java/android/hardware/biometrics/flags.aconfig b/core/java/android/hardware/biometrics/flags.aconfig
index a7cf711..286c1a4 100644
--- a/core/java/android/hardware/biometrics/flags.aconfig
+++ b/core/java/android/hardware/biometrics/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.hardware.biometrics"
+container: "system"
 
 flag {
     name: "last_authentication_time"
diff --git a/core/java/android/hardware/flags/overlayproperties_flags.aconfig b/core/java/android/hardware/flags/overlayproperties_flags.aconfig
index c6a352e..4a81c80 100644
--- a/core/java/android/hardware/flags/overlayproperties_flags.aconfig
+++ b/core/java/android/hardware/flags/overlayproperties_flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.hardware.flags"
+container: "system"
 
 flag {
     name: "overlayproperties_class_api"
diff --git a/core/java/android/hardware/input/input_framework.aconfig b/core/java/android/hardware/input/input_framework.aconfig
index 362fe78..31ea978 100644
--- a/core/java/android/hardware/input/input_framework.aconfig
+++ b/core/java/android/hardware/input/input_framework.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.hardware.input"
+container: "system"
 
 # Project link: https://gantry.corp.google.com/projects/android_platform_input_native/changes
 
diff --git a/core/java/android/hardware/radio/flags.aconfig b/core/java/android/hardware/radio/flags.aconfig
index dbc1a4b..90dfd1d 100644
--- a/core/java/android/hardware/radio/flags.aconfig
+++ b/core/java/android/hardware/radio/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.hardware.radio"
+container: "system"
 
 flag {
     name: "hd_radio_improved"
diff --git a/core/java/android/hardware/usb/flags/system_sw_usb_flags.aconfig b/core/java/android/hardware/usb/flags/system_sw_usb_flags.aconfig
index 63ae28f..3e49af6 100644
--- a/core/java/android/hardware/usb/flags/system_sw_usb_flags.aconfig
+++ b/core/java/android/hardware/usb/flags/system_sw_usb_flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.hardware.usb.flags"
+container: "system"
 
 flag {
     name: "enable_usb_data_compliance_warning"
diff --git a/core/java/android/net/flags.aconfig b/core/java/android/net/flags.aconfig
index 3544a69..048c50e 100644
--- a/core/java/android/net/flags.aconfig
+++ b/core/java/android/net/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.net.platform.flags"
+container: "system"
 
 # This file contains aconfig flags used from platform code
 # Flags used for module APIs must be in aconfig files under each modules
diff --git a/core/java/android/net/thread/flags.aconfig b/core/java/android/net/thread/flags.aconfig
index ef798ad..afb982b 100644
--- a/core/java/android/net/thread/flags.aconfig
+++ b/core/java/android/net/thread/flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.net.thread.platform.flags"
+container: "system"
 
 # This file contains aconfig flags used from platform code
 # Flags used for module APIs must be in aconfig files under each modules
diff --git a/core/java/android/net/vcn/flags.aconfig b/core/java/android/net/vcn/flags.aconfig
index 6fde398..fea2c25 100644
--- a/core/java/android/net/vcn/flags.aconfig
+++ b/core/java/android/net/vcn/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.net.vcn"
+container: "system"
 
 flag {
     name: "safe_mode_config"
diff --git a/core/java/android/os/flags.aconfig b/core/java/android/os/flags.aconfig
index 4468e25..960bda3 100644
--- a/core/java/android/os/flags.aconfig
+++ b/core/java/android/os/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.os"
+container: "system"
 
 flag {
     name: "android_os_build_vanilla_ice_cream"
diff --git a/core/java/android/os/vibrator/flags.aconfig b/core/java/android/os/vibrator/flags.aconfig
index 437668c..e47b943 100644
--- a/core/java/android/os/vibrator/flags.aconfig
+++ b/core/java/android/os/vibrator/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.os.vibrator"
+container: "system"
 
 flag {
     namespace: "haptics"
diff --git a/core/java/android/permission/flags.aconfig b/core/java/android/permission/flags.aconfig
index a8ab391..fece5d3 100644
--- a/core/java/android/permission/flags.aconfig
+++ b/core/java/android/permission/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.permission.flags"
+container: "system"
 
 flag {
   name: "device_aware_permission_apis_enabled"
diff --git a/core/java/android/provider/flags.aconfig b/core/java/android/provider/flags.aconfig
index 3dd7692..32a6333 100644
--- a/core/java/android/provider/flags.aconfig
+++ b/core/java/android/provider/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.provider"
+container: "system"
 
 flag {
     name: "system_settings_default"
diff --git a/core/java/android/security/flags.aconfig b/core/java/android/security/flags.aconfig
index 6aa956b..7d1c86b 100644
--- a/core/java/android/security/flags.aconfig
+++ b/core/java/android/security/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.security"
+container: "system"
 
 flag {
     name: "certificate_transparency_configuration"
diff --git a/core/java/android/security/responsible_apis_flags.aconfig b/core/java/android/security/responsible_apis_flags.aconfig
index 0bae459..85ac166 100644
--- a/core/java/android/security/responsible_apis_flags.aconfig
+++ b/core/java/android/security/responsible_apis_flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.security"
+container: "system"
 
 flag {
     name: "extend_ecm_to_all_settings"
diff --git a/core/java/android/service/chooser/flags.aconfig b/core/java/android/service/chooser/flags.aconfig
index 5978383..38fff09 100644
--- a/core/java/android/service/chooser/flags.aconfig
+++ b/core/java/android/service/chooser/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.service.chooser"
+container: "system"
 
 flag {
   name: "support_nfc_resolver"
diff --git a/core/java/android/service/controls/flags/flags.aconfig b/core/java/android/service/controls/flags/flags.aconfig
index 3a28844..881a0ec 100644
--- a/core/java/android/service/controls/flags/flags.aconfig
+++ b/core/java/android/service/controls/flags/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.service.controls.flags"
+container: "system"
 
 flag {
     name: "home_panel_dream"
diff --git a/core/java/android/service/dreams/flags.aconfig b/core/java/android/service/dreams/flags.aconfig
index 91a713e..2e16a03 100644
--- a/core/java/android/service/dreams/flags.aconfig
+++ b/core/java/android/service/dreams/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.service.dreams"
+container: "system"
 
 flag {
   name: "dream_overlay_host"
diff --git a/core/java/android/service/notification/flags.aconfig b/core/java/android/service/notification/flags.aconfig
index 2a05c84..71bee65 100644
--- a/core/java/android/service/notification/flags.aconfig
+++ b/core/java/android/service/notification/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.service.notification"
+container: "system"
 
 flag {
   name: "ranking_update_ashmem"
diff --git a/core/java/android/service/voice/flags/flags.aconfig b/core/java/android/service/voice/flags/flags.aconfig
index b596666..9a818bf 100644
--- a/core/java/android/service/voice/flags/flags.aconfig
+++ b/core/java/android/service/voice/flags/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.service.voice.flags"
+container: "system"
 
 flag {
     name: "allow_training_data_egress_from_hds"
diff --git a/core/java/android/text/flags/flags.aconfig b/core/java/android/text/flags/flags.aconfig
index a1885ae..946a8c0 100644
--- a/core/java/android/text/flags/flags.aconfig
+++ b/core/java/android/text/flags/flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.text.flags"
+container: "system"
 
 flag {
   name: "vendor_custom_locale_fallback"
diff --git a/core/java/android/tracing/flags.aconfig b/core/java/android/tracing/flags.aconfig
index c6e8844..9e23a4f 100644
--- a/core/java/android/tracing/flags.aconfig
+++ b/core/java/android/tracing/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.tracing"
+container: "system"
 
 flag {
     name: "perfetto_transition_tracing"
diff --git a/core/java/android/view/accessibility/flags/accessibility_flags.aconfig b/core/java/android/view/accessibility/flags/accessibility_flags.aconfig
index 0cc19fb..9e2ba9d 100644
--- a/core/java/android/view/accessibility/flags/accessibility_flags.aconfig
+++ b/core/java/android/view/accessibility/flags/accessibility_flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.view.accessibility"
+container: "system"
 
 # NOTE: Keep alphabetized to help limit merge conflicts from multiple simultaneous editors.
 
diff --git a/core/java/android/view/contentcapture/flags/content_capture_flags.aconfig b/core/java/android/view/contentcapture/flags/content_capture_flags.aconfig
index 3c15518..416a877 100644
--- a/core/java/android/view/contentcapture/flags/content_capture_flags.aconfig
+++ b/core/java/android/view/contentcapture/flags/content_capture_flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.view.contentcapture.flags"
+container: "system"
 
 flag {
     name: "run_on_background_thread_enabled"
diff --git a/core/java/android/view/contentprotection/flags/content_protection_flags.aconfig b/core/java/android/view/contentprotection/flags/content_protection_flags.aconfig
index 2a3008a..321a887 100644
--- a/core/java/android/view/contentprotection/flags/content_protection_flags.aconfig
+++ b/core/java/android/view/contentprotection/flags/content_protection_flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.view.contentprotection.flags"
+container: "system"
 
 flag {
     name: "blocklist_update_enabled"
diff --git a/core/java/android/view/flags/refresh_rate_flags.aconfig b/core/java/android/view/flags/refresh_rate_flags.aconfig
index 0aa516e..dd8f5d0 100644
--- a/core/java/android/view/flags/refresh_rate_flags.aconfig
+++ b/core/java/android/view/flags/refresh_rate_flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.view.flags"
+container: "system"
 
 flag {
     name: "view_velocity_api"
diff --git a/core/java/android/view/flags/scroll_feedback_flags.aconfig b/core/java/android/view/flags/scroll_feedback_flags.aconfig
index d1d871c2..3f018f8 100644
--- a/core/java/android/view/flags/scroll_feedback_flags.aconfig
+++ b/core/java/android/view/flags/scroll_feedback_flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.view.flags"
+container: "system"
 
 flag {
     namespace: "toolkit"
diff --git a/core/java/android/view/inputmethod/flags.aconfig b/core/java/android/view/inputmethod/flags.aconfig
index dc6aa6c..6f4bf24 100644
--- a/core/java/android/view/inputmethod/flags.aconfig
+++ b/core/java/android/view/inputmethod/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.view.inputmethod"
+container: "system"
 
 flag {
     name: "refactor_insets_controller"
diff --git a/core/java/android/widget/flags/differential_motion_fling_flags.aconfig b/core/java/android/widget/flags/differential_motion_fling_flags.aconfig
index 79cfe56..a0a391e 100644
--- a/core/java/android/widget/flags/differential_motion_fling_flags.aconfig
+++ b/core/java/android/widget/flags/differential_motion_fling_flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.widget.flags"
+container: "system"
 
 flag {
     namespace: "toolkit"
diff --git a/core/java/android/window/flags/accessibility.aconfig b/core/java/android/window/flags/accessibility.aconfig
index d467be6..bab9ac9 100644
--- a/core/java/android/window/flags/accessibility.aconfig
+++ b/core/java/android/window/flags/accessibility.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.window.flags"
+container: "system"
 
 flag {
   name: "do_not_check_intersection_when_non_magnifiable_window_transitions"
diff --git a/core/java/android/window/flags/large_screen_experiences_app_compat.aconfig b/core/java/android/window/flags/large_screen_experiences_app_compat.aconfig
index 727bff4..d4bf2ed 100644
--- a/core/java/android/window/flags/large_screen_experiences_app_compat.aconfig
+++ b/core/java/android/window/flags/large_screen_experiences_app_compat.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.window.flags"
+container: "system"
 
 flag {
   name: "allows_screen_size_decoupled_from_status_bar_and_cutout"
diff --git a/core/java/android/window/flags/responsible_apis.aconfig b/core/java/android/window/flags/responsible_apis.aconfig
index ad0e9a4..d0870d3 100644
--- a/core/java/android/window/flags/responsible_apis.aconfig
+++ b/core/java/android/window/flags/responsible_apis.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.window.flags"
+container: "system"
 
 flag {
     name: "bal_require_opt_in_by_pending_intent_creator"
diff --git a/core/java/android/window/flags/wallpaper_manager.aconfig b/core/java/android/window/flags/wallpaper_manager.aconfig
index f03c993..a8645ab 100644
--- a/core/java/android/window/flags/wallpaper_manager.aconfig
+++ b/core/java/android/window/flags/wallpaper_manager.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.window.flags"
+container: "system"
 
 flag {
     name: "always_update_wallpaper_permission"
diff --git a/core/java/android/window/flags/window_surfaces.aconfig b/core/java/android/window/flags/window_surfaces.aconfig
index 56df493..6c6daf8 100644
--- a/core/java/android/window/flags/window_surfaces.aconfig
+++ b/core/java/android/window/flags/window_surfaces.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.window.flags"
+container: "system"
 
 # Project link: https://gantry.corp.google.com/projects/android_platform_window_surfaces/changes
 
diff --git a/core/java/android/window/flags/windowing_frontend.aconfig b/core/java/android/window/flags/windowing_frontend.aconfig
index 07beb11..af6105d 100644
--- a/core/java/android/window/flags/windowing_frontend.aconfig
+++ b/core/java/android/window/flags/windowing_frontend.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.window.flags"
+container: "system"
 
 flag {
   name: "nav_bar_transparent_by_default"
diff --git a/core/java/android/window/flags/windowing_sdk.aconfig b/core/java/android/window/flags/windowing_sdk.aconfig
index 933cc49..7688c17 100644
--- a/core/java/android/window/flags/windowing_sdk.aconfig
+++ b/core/java/android/window/flags/windowing_sdk.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.window.flags"
+container: "system"
 
 # Project link: https://gantry.corp.google.com/projects/android_platform_windowing_sdk/changes
 
diff --git a/core/java/com/android/internal/foldables/Android.bp b/core/java/com/android/internal/foldables/Android.bp
index f1d06da..53a9be5 100644
--- a/core/java/com/android/internal/foldables/Android.bp
+++ b/core/java/com/android/internal/foldables/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "fold_lock_setting_flags",
     package: "com.android.internal.foldables.flags",
+    container: "system",
     srcs: [
         "fold_lock_setting_flags.aconfig",
     ],
diff --git a/core/java/com/android/internal/foldables/fold_lock_setting_flags.aconfig b/core/java/com/android/internal/foldables/fold_lock_setting_flags.aconfig
index 44f436ea..c00a2b5 100644
--- a/core/java/com/android/internal/foldables/fold_lock_setting_flags.aconfig
+++ b/core/java/com/android/internal/foldables/fold_lock_setting_flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.internal.foldables.flags"
+container: "system"
 
 flag {
     name: "fold_lock_setting_enabled"
diff --git a/graphics/java/Android.bp b/graphics/java/Android.bp
index db37a387..0937f14 100644
--- a/graphics/java/Android.bp
+++ b/graphics/java/Android.bp
@@ -10,6 +10,7 @@
 aconfig_declarations {
     name: "framework_graphics_flags",
     package: "com.android.graphics.flags",
+    container: "system",
     srcs: ["android/framework_graphics.aconfig"],
 }
 
diff --git a/graphics/java/android/framework_graphics.aconfig b/graphics/java/android/framework_graphics.aconfig
index 6c81a60..f13f369 100644
--- a/graphics/java/android/framework_graphics.aconfig
+++ b/graphics/java/android/framework_graphics.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.graphics.flags"
+container: "system"
 
 flag {
      name: "exact_compute_bounds"
diff --git a/libs/WindowManager/Shell/aconfig/Android.bp b/libs/WindowManager/Shell/aconfig/Android.bp
index 1a98ffc..3891eeb 100644
--- a/libs/WindowManager/Shell/aconfig/Android.bp
+++ b/libs/WindowManager/Shell/aconfig/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "com_android_wm_shell_flags",
     package: "com.android.wm.shell",
+    container: "system",
     srcs: [
         "multitasking.aconfig",
     ],
@@ -9,4 +10,4 @@
 java_aconfig_library {
     name: "com_android_wm_shell_flags_lib",
     aconfig_declarations: "com_android_wm_shell_flags",
-}
\ No newline at end of file
+}
diff --git a/libs/WindowManager/Shell/aconfig/multitasking.aconfig b/libs/WindowManager/Shell/aconfig/multitasking.aconfig
index 4511f3b..c0ecb8d 100644
--- a/libs/WindowManager/Shell/aconfig/multitasking.aconfig
+++ b/libs/WindowManager/Shell/aconfig/multitasking.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.wm.shell"
+container: "system"
 
 flag {
     name: "example_flag"
diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index 14e8653..656cb12 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -31,6 +31,7 @@
 aconfig_declarations {
     name: "hwui_flags",
     package: "com.android.graphics.hwui.flags",
+    container: "system",
     srcs: [
         "aconfig/hwui_flags.aconfig",
     ],
diff --git a/libs/hwui/aconfig/hwui_flags.aconfig b/libs/hwui/aconfig/hwui_flags.aconfig
index ca11975..920add5 100644
--- a/libs/hwui/aconfig/hwui_flags.aconfig
+++ b/libs/hwui/aconfig/hwui_flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.graphics.hwui.flags"
+container: "system"
 
 flag {
   name: "matrix_44"
diff --git a/location/java/android/location/flags/gnss.aconfig b/location/java/android/location/flags/gnss.aconfig
index b6055e8..a3412de 100644
--- a/location/java/android/location/flags/gnss.aconfig
+++ b/location/java/android/location/flags/gnss.aconfig
@@ -1,4 +1,5 @@
 package: "android.location.flags"
+container: "system"
 
 flag {
     name: "gnss_api_navic_l1"
diff --git a/media/java/android/media/flags/fade_manager_configuration.aconfig b/media/java/android/media/flags/fade_manager_configuration.aconfig
index 100e2235..1f663dc 100644
--- a/media/java/android/media/flags/fade_manager_configuration.aconfig
+++ b/media/java/android/media/flags/fade_manager_configuration.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.media.flags"
+container: "system"
 
 flag {
     namespace: "media_solutions"
diff --git a/media/java/android/media/flags/media_better_together.aconfig b/media/java/android/media/flags/media_better_together.aconfig
index 07f63e5..5276d22 100644
--- a/media/java/android/media/flags/media_better_together.aconfig
+++ b/media/java/android/media/flags/media_better_together.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.media.flags"
+container: "system"
 
 flag {
     name: "enable_rlp_callbacks_in_media_router2"
diff --git a/media/java/android/media/tv/flags/media_tv.aconfig b/media/java/android/media/tv/flags/media_tv.aconfig
index 018eaf6..baffb00 100644
--- a/media/java/android/media/tv/flags/media_tv.aconfig
+++ b/media/java/android/media/tv/flags/media_tv.aconfig
@@ -1,4 +1,5 @@
 package: "android.media.tv.flags"
+container: "system"
 
 flag {
     name: "broadcast_visibility_types"
diff --git a/media/jni/playback_flags.aconfig b/media/jni/playback_flags.aconfig
index 2bb0ec5..9d927ec 100644
--- a/media/jni/playback_flags.aconfig
+++ b/media/jni/playback_flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.media.playback.flags"
+container: "system"
 
 flag {
   name: "mediametadataretriever_default_rgba8888"
diff --git a/nfc/java/android/nfc/flags.aconfig b/nfc/java/android/nfc/flags.aconfig
index 5879595..4a6f26a 100644
--- a/nfc/java/android/nfc/flags.aconfig
+++ b/nfc/java/android/nfc/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.nfc"
+container: "system"
 
 flag {
     name: "enable_nfc_mainline"
diff --git a/packages/SettingsLib/Android.bp b/packages/SettingsLib/Android.bp
index 1e49330..91ac8fc7 100644
--- a/packages/SettingsLib/Android.bp
+++ b/packages/SettingsLib/Android.bp
@@ -75,6 +75,7 @@
 aconfig_declarations {
     name: "settingslib_media_flags",
     package: "com.android.settingslib.media.flags",
+    container: "system",
     srcs: [
         "aconfig/settingslib_media_flag_declarations.aconfig",
     ],
diff --git a/packages/SettingsLib/aconfig/settingslib_media_flag_declarations.aconfig b/packages/SettingsLib/aconfig/settingslib_media_flag_declarations.aconfig
index f3e537b..4d70aec 100644
--- a/packages/SettingsLib/aconfig/settingslib_media_flag_declarations.aconfig
+++ b/packages/SettingsLib/aconfig/settingslib_media_flag_declarations.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.settingslib.media.flags"
+container: "system"
 
 flag {
   name: "use_media_router2_for_info_media_manager"
diff --git a/packages/SettingsProvider/Android.bp b/packages/SettingsProvider/Android.bp
index adebdcd..cfe664e 100644
--- a/packages/SettingsProvider/Android.bp
+++ b/packages/SettingsProvider/Android.bp
@@ -83,6 +83,7 @@
 aconfig_declarations {
     name: "device_config_service_flags",
     package: "com.android.providers.settings",
+    container: "system",
     srcs: [
         "src/com/android/providers/settings/device_config_service.aconfig",
     ],
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/device_config_service.aconfig b/packages/SettingsProvider/src/com/android/providers/settings/device_config_service.aconfig
index 27ce0d4..b3ed1e91 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/device_config_service.aconfig
+++ b/packages/SettingsProvider/src/com/android/providers/settings/device_config_service.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.providers.settings"
+container: "system"
 
 flag {
     name: "support_overrides"
diff --git a/packages/SystemUI/accessibility/accessibilitymenu/aconfig/Android.bp b/packages/SystemUI/accessibility/accessibilitymenu/aconfig/Android.bp
index 6d63409..ff75d8c 100644
--- a/packages/SystemUI/accessibility/accessibilitymenu/aconfig/Android.bp
+++ b/packages/SystemUI/accessibility/accessibilitymenu/aconfig/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "com_android_a11y_menu_flags",
     package: "com.android.systemui.accessibility.accessibilitymenu",
+    container: "system",
     srcs: [
         "accessibility.aconfig",
     ],
diff --git a/packages/SystemUI/accessibility/accessibilitymenu/aconfig/accessibility.aconfig b/packages/SystemUI/accessibility/accessibilitymenu/aconfig/accessibility.aconfig
index eadcd7c..6ad1b38 100644
--- a/packages/SystemUI/accessibility/accessibilitymenu/aconfig/accessibility.aconfig
+++ b/packages/SystemUI/accessibility/accessibilitymenu/aconfig/accessibility.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.systemui.accessibility.accessibilitymenu"
+container: "system"
 
 # NOTE: Keep alphabetized to help limit merge conflicts from multiple simultaneous editors.
 
diff --git a/packages/SystemUI/aconfig/Android.bp b/packages/SystemUI/aconfig/Android.bp
index 50ed7ab..b09d1da 100644
--- a/packages/SystemUI/aconfig/Android.bp
+++ b/packages/SystemUI/aconfig/Android.bp
@@ -23,13 +23,14 @@
     default_visibility: [
         "//visibility:override",
         "//frameworks/base/packages/SystemUI:__subpackages__",
-        "//platform_testing:__subpackages__"
+        "//platform_testing:__subpackages__",
     ],
 }
 
 aconfig_declarations {
     name: "com_android_systemui_flags",
     package: "com.android.systemui",
+    container: "system",
     srcs: [
         "*.aconfig",
     ],
diff --git a/packages/SystemUI/aconfig/accessibility.aconfig b/packages/SystemUI/aconfig/accessibility.aconfig
index 21263a9..97bf8d8 100644
--- a/packages/SystemUI/aconfig/accessibility.aconfig
+++ b/packages/SystemUI/aconfig/accessibility.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.systemui"
+container: "system"
 
 # NOTE: Keep alphabetized to help limit merge conflicts from multiple simultaneous editors.
 
@@ -28,4 +29,4 @@
     namespace: "accessibility"
     description: "Animates the floating menu's transition between curved and jagged edges."
     bug: "281140482"
-}
\ No newline at end of file
+}
diff --git a/packages/SystemUI/aconfig/biometrics_framework.aconfig b/packages/SystemUI/aconfig/biometrics_framework.aconfig
index 5fd3b48..e6c6974 100644
--- a/packages/SystemUI/aconfig/biometrics_framework.aconfig
+++ b/packages/SystemUI/aconfig/biometrics_framework.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.systemui"
+container: "system"
 
 # NOTE: Keep alphabetized to help limit merge conflicts from multiple simultaneous editors.
 
@@ -7,4 +8,4 @@
     namespace: "biometrics_framework"
     description: "Adds talkback directional guidance when using UDFPS with biometric prompt"
     bug: "310044658"
-}
\ No newline at end of file
+}
diff --git a/packages/SystemUI/aconfig/communal.aconfig b/packages/SystemUI/aconfig/communal.aconfig
index 2c6ff97..2e9af7e 100644
--- a/packages/SystemUI/aconfig/communal.aconfig
+++ b/packages/SystemUI/aconfig/communal.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.systemui"
+container: "system"
 
 flag {
     name: "communal_hub"
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index facb244..27977c0 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.systemui"
+container: "system"
 
 flag {
     name: "example_flag"
diff --git a/services/accessibility/Android.bp b/services/accessibility/Android.bp
index e2488a5..898b7d6 100644
--- a/services/accessibility/Android.bp
+++ b/services/accessibility/Android.bp
@@ -54,6 +54,7 @@
 aconfig_declarations {
     name: "com_android_server_accessibility_flags",
     package: "com.android.server.accessibility",
+    container: "system",
     srcs: [
         "accessibility.aconfig",
     ],
diff --git a/services/accessibility/accessibility.aconfig b/services/accessibility/accessibility.aconfig
index a19920f..f54610a 100644
--- a/services/accessibility/accessibility.aconfig
+++ b/services/accessibility/accessibility.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.accessibility"
+container: "system"
 
 # NOTE: Keep alphabetized to help limit merge conflicts from multiple simultaneous editors.
 
diff --git a/services/autofill/bugfixes.aconfig b/services/autofill/bugfixes.aconfig
index b5130a1..e0d67e8 100644
--- a/services/autofill/bugfixes.aconfig
+++ b/services/autofill/bugfixes.aconfig
@@ -1,4 +1,5 @@
 package: "android.service.autofill"
+container: "system"
 
 flag {
   name: "test"
diff --git a/services/autofill/features.aconfig b/services/autofill/features.aconfig
index 92e00ee..eef1163 100644
--- a/services/autofill/features.aconfig
+++ b/services/autofill/features.aconfig
@@ -1,4 +1,5 @@
 package: "android.service.autofill"
+container: "system"
 
 flag {
   name: "autofill_credman_integration"
diff --git a/services/backup/Android.bp b/services/backup/Android.bp
index d08a97e..dd36b25 100644
--- a/services/backup/Android.bp
+++ b/services/backup/Android.bp
@@ -31,6 +31,7 @@
 aconfig_declarations {
     name: "backup_flags",
     package: "com.android.server.backup",
+    container: "system",
     srcs: ["flags.aconfig"],
 }
 
diff --git a/services/backup/flags.aconfig b/services/backup/flags.aconfig
index d695d36..2186169f 100644
--- a/services/backup/flags.aconfig
+++ b/services/backup/flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.backup"
+container: "system"
 
 flag {
     name: "enable_skipping_restore_launched_apps"
diff --git a/services/companion/java/com/android/server/companion/virtual/Android.bp b/services/companion/java/com/android/server/companion/virtual/Android.bp
index 6526c78..1d00e9b 100644
--- a/services/companion/java/com/android/server/companion/virtual/Android.bp
+++ b/services/companion/java/com/android/server/companion/virtual/Android.bp
@@ -6,6 +6,7 @@
 aconfig_declarations {
     name: "virtualdevice_flags",
     package: "com.android.server.companion.virtual",
+    container: "system",
     srcs: [
         "flags.aconfig",
     ],
diff --git a/services/companion/java/com/android/server/companion/virtual/flags.aconfig b/services/companion/java/com/android/server/companion/virtual/flags.aconfig
index 6297e91..616f5d0 100644
--- a/services/companion/java/com/android/server/companion/virtual/flags.aconfig
+++ b/services/companion/java/com/android/server/companion/virtual/flags.aconfig
@@ -1,6 +1,7 @@
 # OLD PACKAGE, DO NOT USE: Prefer `flags.aconfig` in core/java/android/companion/virtual
 # (or other custom files) to define your flags
 package: "com.android.server.companion.virtual"
+container: "system"
 
 flag {
   name: "dump_history"
diff --git a/services/core/java/com/android/server/am/Android.bp b/services/core/java/com/android/server/am/Android.bp
index af1200e..0294ffe 100644
--- a/services/core/java/com/android/server/am/Android.bp
+++ b/services/core/java/com/android/server/am/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "am_flags",
     package: "com.android.server.am",
+    container: "system",
     srcs: ["*.aconfig"],
 }
 
diff --git a/services/core/java/com/android/server/am/flags.aconfig b/services/core/java/com/android/server/am/flags.aconfig
index c666915..46e197e 100644
--- a/services/core/java/com/android/server/am/flags.aconfig
+++ b/services/core/java/com/android/server/am/flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.am"
+container: "system"
 
 flag {
     name: "oomadjuster_correctness_rewrite"
diff --git a/services/core/java/com/android/server/app/flags.aconfig b/services/core/java/com/android/server/app/flags.aconfig
index f2e4783..a5a68de 100644
--- a/services/core/java/com/android/server/app/flags.aconfig
+++ b/services/core/java/com/android/server/app/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.server.app"
+container: "system"
 
 flag {
     name: "game_default_frame_rate"
diff --git a/services/core/java/com/android/server/biometrics/Android.bp b/services/core/java/com/android/server/biometrics/Android.bp
index 6cbe4ad..ed5de030 100644
--- a/services/core/java/com/android/server/biometrics/Android.bp
+++ b/services/core/java/com/android/server/biometrics/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "biometrics_flags",
     package: "com.android.server.biometrics",
+    container: "system",
     srcs: [
         "biometrics.aconfig",
     ],
diff --git a/services/core/java/com/android/server/biometrics/biometrics.aconfig b/services/core/java/com/android/server/biometrics/biometrics.aconfig
index b12d831..7a9491e 100644
--- a/services/core/java/com/android/server/biometrics/biometrics.aconfig
+++ b/services/core/java/com/android/server/biometrics/biometrics.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.biometrics"
+container: "system"
 
 flag {
   name: "face_vhal_feature"
diff --git a/services/core/java/com/android/server/connectivity/Android.bp b/services/core/java/com/android/server/connectivity/Android.bp
index a374ec2..0916594 100644
--- a/services/core/java/com/android/server/connectivity/Android.bp
+++ b/services/core/java/com/android/server/connectivity/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "connectivity_flags",
     package: "com.android.server.connectivity",
+    container: "system",
     srcs: ["flags.aconfig"],
 }
 
diff --git a/services/core/java/com/android/server/connectivity/flags.aconfig b/services/core/java/com/android/server/connectivity/flags.aconfig
index 32593d4..bc240d4 100644
--- a/services/core/java/com/android/server/connectivity/flags.aconfig
+++ b/services/core/java/com/android/server/connectivity/flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.connectivity"
+container: "system"
 
 flag {
     name: "replace_vpn_profile_store"
diff --git a/services/core/java/com/android/server/display/feature/Android.bp b/services/core/java/com/android/server/display/feature/Android.bp
index a0ead38..daf8832 100644
--- a/services/core/java/com/android/server/display/feature/Android.bp
+++ b/services/core/java/com/android/server/display/feature/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "display_flags",
     package: "com.android.server.display.feature.flags",
+    container: "system",
     srcs: [
         "*.aconfig",
     ],
diff --git a/services/core/java/com/android/server/display/feature/display_flags.aconfig b/services/core/java/com/android/server/display/feature/display_flags.aconfig
index 7a723a3..de67702 100644
--- a/services/core/java/com/android/server/display/feature/display_flags.aconfig
+++ b/services/core/java/com/android/server/display/feature/display_flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.display.feature.flags"
+container: "system"
 
 # Important: Flags must be accessed through DisplayManagerFlags.
 
diff --git a/services/core/java/com/android/server/feature/Android.bp b/services/core/java/com/android/server/feature/Android.bp
index 067288d..b0fbab6 100644
--- a/services/core/java/com/android/server/feature/Android.bp
+++ b/services/core/java/com/android/server/feature/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "dropbox_flags",
     package: "com.android.server.feature.flags",
+    container: "system",
     srcs: [
         "dropbox_flags.aconfig",
     ],
diff --git a/services/core/java/com/android/server/feature/dropbox_flags.aconfig b/services/core/java/com/android/server/feature/dropbox_flags.aconfig
index fee4bf3..b43d35a 100644
--- a/services/core/java/com/android/server/feature/dropbox_flags.aconfig
+++ b/services/core/java/com/android/server/feature/dropbox_flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.feature.flags"
+container: "system"
 
 flag{
     name: "enable_read_dropbox_permission"
diff --git a/services/core/java/com/android/server/flags/pinner.aconfig b/services/core/java/com/android/server/flags/pinner.aconfig
index 606a6be..16a45cd 100644
--- a/services/core/java/com/android/server/flags/pinner.aconfig
+++ b/services/core/java/com/android/server/flags/pinner.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.flags"
+container: "system"
 
 flag {
     name: "pin_webview"
diff --git a/services/core/java/com/android/server/net/Android.bp b/services/core/java/com/android/server/net/Android.bp
index 71d8e6b..3ac2d23 100644
--- a/services/core/java/com/android/server/net/Android.bp
+++ b/services/core/java/com/android/server/net/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "net_flags",
     package: "com.android.server.net",
+    container: "system",
     srcs: ["*.aconfig"],
 }
 
diff --git a/services/core/java/com/android/server/net/flags.aconfig b/services/core/java/com/android/server/net/flags.aconfig
index 419665a..d9491de 100644
--- a/services/core/java/com/android/server/net/flags.aconfig
+++ b/services/core/java/com/android/server/net/flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.net"
+container: "system"
 
 flag {
     name: "network_blocked_for_top_sleeping_and_above"
diff --git a/services/core/java/com/android/server/notification/Android.bp b/services/core/java/com/android/server/notification/Android.bp
index f26a25b..9512418 100644
--- a/services/core/java/com/android/server/notification/Android.bp
+++ b/services/core/java/com/android/server/notification/Android.bp
@@ -6,7 +6,8 @@
 aconfig_declarations {
     name: "notification_flags",
     package: "com.android.server.notification",
+    container: "system",
     srcs: [
         "flags.aconfig",
     ],
-}
\ No newline at end of file
+}
diff --git a/services/core/java/com/android/server/notification/flags.aconfig b/services/core/java/com/android/server/notification/flags.aconfig
index da01745..efc9d9f 100644
--- a/services/core/java/com/android/server/notification/flags.aconfig
+++ b/services/core/java/com/android/server/notification/flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.notification"
+container: "system"
 
 flag {
   name: "expire_bitmaps"
diff --git a/services/core/java/com/android/server/os/Android.bp b/services/core/java/com/android/server/os/Android.bp
index 565dc3b..c588670 100644
--- a/services/core/java/com/android/server/os/Android.bp
+++ b/services/core/java/com/android/server/os/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "core_os_flags",
     package: "com.android.server.os",
+    container: "system",
     srcs: [
         "*.aconfig",
     ],
diff --git a/services/core/java/com/android/server/os/core_os_flags.aconfig b/services/core/java/com/android/server/os/core_os_flags.aconfig
index cbc0d54..ae33df8 100644
--- a/services/core/java/com/android/server/os/core_os_flags.aconfig
+++ b/services/core/java/com/android/server/os/core_os_flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.os"
+container: "system"
 
 flag {
     name: "proto_tombstone"
diff --git a/services/core/java/com/android/server/power/Android.bp b/services/core/java/com/android/server/power/Android.bp
index 607d435..46f03f2 100644
--- a/services/core/java/com/android/server/power/Android.bp
+++ b/services/core/java/com/android/server/power/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "backstage_power_flags",
     package: "com.android.server.power.optimization",
+    container: "system",
     srcs: [
         "stats/*.aconfig",
     ],
diff --git a/services/core/java/com/android/server/power/stats/flags.aconfig b/services/core/java/com/android/server/power/stats/flags.aconfig
index 0f13571..4c54214 100644
--- a/services/core/java/com/android/server/power/stats/flags.aconfig
+++ b/services/core/java/com/android/server/power/stats/flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.power.optimization"
+container: "system"
 
 flag {
     name: "power_monitor_api"
diff --git a/services/core/java/com/android/server/utils/Android.bp b/services/core/java/com/android/server/utils/Android.bp
index 3a334be..ffb9aec 100644
--- a/services/core/java/com/android/server/utils/Android.bp
+++ b/services/core/java/com/android/server/utils/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "com.android.server.utils-aconfig",
     package: "com.android.server.utils",
+    container: "system",
     srcs: ["*.aconfig"],
 }
 
diff --git a/services/core/java/com/android/server/utils/flags.aconfig b/services/core/java/com/android/server/utils/flags.aconfig
index 489e21a..0eb1510 100644
--- a/services/core/java/com/android/server/utils/flags.aconfig
+++ b/services/core/java/com/android/server/utils/flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.utils"
+container: "system"
 
 flag {
      name: "anr_timer_service_enabled"
diff --git a/services/core/java/com/android/server/webkit/flags.aconfig b/services/core/java/com/android/server/webkit/flags.aconfig
index 1411acc..3d30e74 100644
--- a/services/core/java/com/android/server/webkit/flags.aconfig
+++ b/services/core/java/com/android/server/webkit/flags.aconfig
@@ -1,4 +1,5 @@
 package: "android.webkit"
+container: "system"
 
 flag {
     name: "update_service_v2"
diff --git a/services/foldables/devicestateprovider/src/com/android/server/policy/feature/Android.bp b/services/foldables/devicestateprovider/src/com/android/server/policy/feature/Android.bp
index 6ad8d79..6393e11 100644
--- a/services/foldables/devicestateprovider/src/com/android/server/policy/feature/Android.bp
+++ b/services/foldables/devicestateprovider/src/com/android/server/policy/feature/Android.bp
@@ -1,6 +1,7 @@
 aconfig_declarations {
     name: "device_state_flags",
     package: "com.android.server.policy.feature.flags",
+    container: "system",
     srcs: [
         "device_state_flags.aconfig",
     ],
diff --git a/services/foldables/devicestateprovider/src/com/android/server/policy/feature/device_state_flags.aconfig b/services/foldables/devicestateprovider/src/com/android/server/policy/feature/device_state_flags.aconfig
index 29e258c..21e33dd 100644
--- a/services/foldables/devicestateprovider/src/com/android/server/policy/feature/device_state_flags.aconfig
+++ b/services/foldables/devicestateprovider/src/com/android/server/policy/feature/device_state_flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.policy.feature.flags"
+container: "system"
 
 flag {
     name: "enable_dual_display_blocking"