Disable automotive short notice for WM CTS tests

Setting this secure setting should not have any effect to other
verticals. For automotive, it ensures that the tests aren't affected by
the short notice shown on every reboot.

Bug: 142662406
Test: make cts && cts-tradefed run cts -t android.server.wm.MultiDisplayLockedKeyguardTests#testDismissKeyguard_whileOccluded_secondaryDisplay -m CtsWindowManagerDeviceTestCases
Change-Id: Id56601ebc51eeadd26bbf96df9c00d50b09bf50d
1 file changed