Integrated policy-exempt apps into isLockTaskPermitted().

Test: atest CtsDevicePolicyManagerTestCases:com.android.cts.devicepolicy.MixedDeviceOwnerTest#testIsLockTaskPermitted_includesPolicyExemptApps # on phone and automotive

Bug: 181238156
Change-Id: Ic2e9195beba55b3d8e69e437e564ff092c22db61
1 file changed