[RESTRICT AUTOMERGE] Make LockTaskController default behaviour match ScreenPinningSettings.

Fixes: 127605586
Test: atest LockTaskControllerTest
Change-Id: I7d4c53fd6740f500d1a0ce18b47b83ed895300a5
(cherry picked from commit 5d6c1e8f451a920695e92fd321bbffe9c75f9aaa)
2 files changed