tree 12e1b7ffa4266f2002d16a6390fe3fe976b23cce
parent ef6e3a2c780839668216bb176dd2876d4413dc74
author Massimo Carli <mcarli@google.com> 1732039501 +0000
committer Massimo Carli <mcarli@google.com> 1733134674 +0000

[13/n] Implement MixedLetterboxController

Implement the MixedLetterboxController as coordinator
of other LetterboxController implementation like the ones
responsible for the letterbx surfaces lifecycle.

Flag: com.android.window.flags.app_compat_refactoring
Bug: 377875146
Test: atest WMShellUnitTests:LetterboxUtilsTest
Test: atest WMShellUnitTests:MixedLetterboxControllerTest
Test: atest WMShellUnitTests:LetterboxTransitionObserverTest

Change-Id: I6359f963dba7d7102cdbfa91baacf38d83700e23