Adding methods to access LauncherApps APIs.

These methods are added to ApiWrapper class
so that Launcher can acess these APIs.

Bug: 308054233
Test: Presubmit
Flag: ACONFIG com.android.launcher3.Flags.private_space_sys_apps_separation DEVELOPMENT
Change-Id: Ic2e64b38cc8b0d262d3f6e9614e2b3fceb9d82a0
diff --git a/aconfig/launcher_search.aconfig b/aconfig/launcher_search.aconfig
index fc79200..97e56b7 100644
--- a/aconfig/launcher_search.aconfig
+++ b/aconfig/launcher_search.aconfig
@@ -12,4 +12,18 @@
     namespace: "launcher_search"
     description: "This flag enables the animation of the Private Space container"
     bug: "299294792"
+}
+
+flag {
+    name: "private_space_sys_apps_separation"
+    namespace: "launcher_search"
+    description: "This flag enables showing system apps separate in Private Space container."
+    bug: "308054233"
+}
+
+flag {
+    name: "private_space_app_installer_button"
+    namespace: "launcher_search"
+    description: "This flag enables addition of App Installer button in Private Space container."
+    bug: "308064949"
 }
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