Re-enable KeyguardLockedTests for PiP2 Re-enable the test cases in KeyguardLockedTests that were disabled when PiP flag is on. Flag: com.android.wm.shell.enable_pip2 Bug: 379758804 Bug: 383602326 Test: atest KeyguardLockedTests Change-Id: Id72ce3c6d06ded4856099b0b9df265ffc6a80b29