Move boolean AppCompatTaskInfo attributes to bit flags

Flag: EXEMPT refactor
Bug: 328390251
Test: atest CompatUIControllerTest
      atest CompatUILayoutTest
      atest CompatUIWindowManagerTest
      atest DesktopTasksControllerTest
      atest LetterboxEduWindowManagerTest
      atest ShellTaskOrganizerTests
      atest SizeCompatTests
      atest TaskTests
      atest UserAspectRatioSettingsLayoutTest
      atest UserAspectRatioSettingsWindowManagerTest
      atest WindowOrganizerTests
Change-Id: Ie15f567bc73e72dac90c556a52198ff5b626c17b