Replace system_ext container with system

Bug: b/365135457
Test: m
Flag: EXEMPT refactor
Change-Id: I5521307c4b816d9802cb5f676d11c0b89cdfa862
diff --git a/aconfig/Android.bp b/aconfig/Android.bp
index bca7494..5413601 100644
--- a/aconfig/Android.bp
+++ b/aconfig/Android.bp
@@ -20,7 +20,7 @@
 aconfig_declarations {
     name: "com_android_launcher3_flags",
     package: "com.android.launcher3",
-    container: "system_ext",
+    container: "system",
     srcs: ["**/*.aconfig"],
 }
 
diff --git a/aconfig/launcher.aconfig b/aconfig/launcher.aconfig
index 3769124..f877fd8 100644
--- a/aconfig/launcher.aconfig
+++ b/aconfig/launcher.aconfig
@@ -1,5 +1,5 @@
 package: "com.android.launcher3"
-container: "system_ext"
+container: "system"
 
 flag {
     name: "enable_expanding_pause_work_button"
diff --git a/aconfig/launcher_overview.aconfig b/aconfig/launcher_overview.aconfig
index 23733a4..853faf8 100644
--- a/aconfig/launcher_overview.aconfig
+++ b/aconfig/launcher_overview.aconfig
@@ -1,5 +1,5 @@
 package: "com.android.launcher3"
-container: "system_ext"
+container: "system"
 
 flag {
     name: "enable_grid_only_overview"
diff --git a/aconfig/launcher_search.aconfig b/aconfig/launcher_search.aconfig
index b98eee6..72f654e 100644
--- a/aconfig/launcher_search.aconfig
+++ b/aconfig/launcher_search.aconfig
@@ -1,5 +1,5 @@
 package: "com.android.launcher3"
-container: "system_ext"
+container: "system"
 
 flag {
     name: "enable_private_space"