Move activity to display on launch

When an activity is launched with displayId specified and there
is an existing matching task on some other display - that task
should be move to the target display.

Bug: 34396961
Test: android.server.cts.ActivityManagerDisplayTests
Test: #testMoveToDisplayOnLaunch
Change-Id: I18b1f0de320039f4f1ac4e248f048a367f886d29