Revert^2 "Inflate TaskThumbnailViewDeprecated as TaskContentView"

This reverts commit 1048b271.

Reason for revert: Reland CL with fix

Original message:
Inflate TaskThumbnailViewDeprecated as TaskContentView

If the enableRefactorTaskThumbnail is false, then inflate
TaskThumbnailViewDeprecated as TaskContentView so that the behaviour
matches the previous pre-factor behaviour

Fix: 402277471
Bug: 403826044
Flag: com.android.launcher3.enable_refactor_task_thumbnail
Test: Manual. See bug

Change-Id: Ib43331023d99316c7b0c9de2ab81e379db58bb50