Dismiss freeform tasks occluding keyguard in folded transitions
This change is an enhacement of Idac9e012d25c50b73eba8afe9088d77043c68a85 where the "dismiss freeform" behavior when a task occludes the Keyguard was moved from WM Core to WM Shell. That changed looked for transitions requested with transit type OCCLUDE_KEYGUARD as a signal to change windowing mode to fullscreen. However, it didn't cover the cases where a transition is already collecting such as opening a showWhenLocked activity directly into freeform mode over the keyguard, which ends up being of transit type OPEN. To cover cases like that, two changes are made: 1) Add the transition flags to TransitionRequestInfo and use the flags to check whether there's an occluding task that needs to be dismissed. This should cover cases where the transit type is not KEYGUARD_OCCLUDE but the keyguard visibility change happens early enough that the flag is added to the collecting transition before the transition request is sent to Shell. 2) Add the dismiss behavior to the finish WCT in KeyguardTransitionHandler to cover cases where the keyguard visibility update happens after the transition request has already been sent to Shell but before the transition is ready. Bug: 261765739 Bug: 293219242 Test: atest ActivityVisibilityTests Change-Id: I4c2c3348dda94c58d29e9545243b49eb4f166743
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