Added TestApi to ActivityInfo.isTranslucentOrFloating

This would be use to determine the right activity state during CTS
test for products that have windowSwipeToDismiss set.

Also, dump ActivityRecord.fullscreen to proto for the same reason.

Bug: 76207986
Bug: 79167358
Test: atest CtsActivityManagerDeviceTestCases:ActivityLifecycleTests
Test: atest CtsActivityManagerDeviceTestCases:ActivityManagerAssistantStackTests
Change-Id: Iadc088e9129be088b8a083ebbafd8d20fe26b673