Grant permissions to ContentCapture and remove permission for TC.

1. Grant default permissions to ContentCapture app.
2. Remove unnecessary permissions for TC.
3. Made getContentCaptureServicePackageName() available for testing.

Bug: 139523153
Test: Manual. Use dumpsys pm to check the runtime permissions are grant.
Change-Id: If0d1669ac7d99785002c25cc783f1cf40ed7f13b
6 files changed