Add Private space Delete settings page inside PS settings page

Contains implementation of settings page for Delete private space
controller inside private space settings page.
- On selecting to delete private space displays list of account signed in
to private profile and deletes the private space after authentication.
- Shows a toast message after private space is deleted

- Adds dependency for setupdesgin loading layout to show a loading
  screen while deletion of private space is in progress.

Recording Link : b/318383729
go/ss/4Aq3rmbSGHMHesK.png

Bug: 318383729
Test: atest DeletePrivateSpaceControllerTest

Change-Id: Ia1730915e2469b47823c507f9ef6cd8f63c99baf

Android.bp

@@ -109,6 +109,7 @@ android_library {
         "statslog-settings",
         "androidx.test.rules",
         "telephony_flags_core_java_lib",
+        "setupdesign-lottie-loading-layout",
     ],
 
     plugins: ["androidx.room_room-compiler-plugin"],