[Partial Screensharing] Calculate recents thumbnail size

Adds calculating of thumbnail view size in runtime.
Refactors dependency injection to use a subcomponent.
Extracts recents view creation and logic to
a separate controller.

Bug: 240924926
Test: atest com.android.systemui.mediaprojection.appselector.view.TaskPreviewSizeProviderTest
Test: atest com.android.systemui.mediaprojection.appselector.MediaProjectionAppSelectorControllerTest
Change-Id: I0c92e1a39f9fbb415c639b98b19674681167fa39