Integrate content capture with FLAG_SECURE

Change-Id: I4e2c7d8063ca224d2037c01b7ddb24f8a7d85cbf
Fixes: 119254124
Test: atest CtsContentCaptureServiceTestCases
Test: atest android.contentcaptureservice.cts.LoginActivityTest#testStateDisabledByFlagSecure
5 files changed