Integrated policy-exempt-apps into setApplicationHidden().

Test: atest com.android.cts.devicepolicy.MixedDeviceOwnerTest#testApplicationHidden_cannotHidePolicyExemptApps,testApplicationHidden # on phone and automotive
Test: atest com.android.server.devicepolicy.DevicePolicyManagerTest

Bug: 181238156

Change-Id: Id5e194703f1bb5f56be777beae8e0a6cee54890f
2 files changed