Allowlist the privileged permission ACCESS_HIDDEN_PROFILES_FULL to the

Private Space app.

This is so that the Private Space app can call LauncherApps.getPrivateSpaceSettingsIntent[*]

[*]: https://source.corp.google.com/h/googleplex-android/platform/superproject/main/+/main:frameworks/base/core/java/android/content/pm/LauncherApps.java;l=958;drc=dd889ff840f5213109fd21572340d4941cb2e0aa

Bug: 397383858
Test: manually
Flag: EXEMPT file not eligible
Change-Id: I4e890ae53d79b5a5242507e35f3db2767877d6dd