Support show KeyguardPresentation on all public displays.

Support show keyguard presentation on all public displays when Keyguard
is show.
Modify API ActivityTaskManager#setLockScreenShown, extends to multi-displayIds.

bug: 111955725
Test: Manual test with chromecast.
Test: atest SystemUITests
Test: atest ActivityManagerMultiDisplayTests
Test: atest ActivityManagerDisplayKeyguardTests
Change-Id: I9967e1b1adcb796593332b46853a10101e206013