Move aconfig files to aconfig folder

- Set packageName as com.android.launcher3
- Follow folder structure as per go/sysui-aconfig-structure

Bug: 294913042

Test: adb shell device_config put launcher com.android.launcher3.enable_all_apps_rv_preinflation true

Flag: enable_all_apps_rv_preinflation

Change-Id: Ib45a24d9100b657e7776c6120bdf9625533e9ed7

Android.bp

@@ -136,24 +136,6 @@ java_library {
     min_sdk_version: min_launcher3_sdk_version,
 }
 
-aconfig_declarations {
-    name: "launcher_flags",
-    package: "com.google.android.platform.launcher.aconfig.flags",
-    srcs: ["launcher.aconfig"],
-}
-
-java_aconfig_library {
-    name: "launcher_flags_lib",
-    aconfig_declarations: "launcher_flags",
-}
-
-java_aconfig_library {
-    name: "launcher_flags_lib_test",
-    aconfig_declarations: "launcher_flags",
-    test: true
-}
-
-
 // Library with all the dependencies for building Launcher3
 android_library {
     name: "Launcher3ResLib",
@@ -208,7 +190,7 @@ android_library {
     name: "Launcher3CommonDepsLib",
     defaults: ["Launcher3CommonDepsDefault"],
     static_libs: [
-        "launcher_flags_lib",
+        "com_android_launcher3_flags_lib",
     ],
 }
 
@@ -219,7 +201,7 @@ android_library {
     name: "Launcher3CommonDepsLibDebug",
     defaults: ["Launcher3CommonDepsDefault"],
     static_libs: [
-        "launcher_flags_lib_test",
+        "com_android_launcher3_flags_lib_debug",
     ],
 }