Add removeManagedProfile API: Checks if the given user is a managed profile and deletes it

Bug: 372652841
Test: atest ProvisioningTest, manual-Call systemAPI from CloudDPC
Flag: android.app.admin.flags.remove_managed_profile_enabled
Change-Id: I3a2bbd1924ba184cde016385eac8f38a50989e04
5 files changed