Place app icons in correct place in RTL for Seascape mode

The goal for this CL is to show icons for split apps (similar to Landscape mode). The aligning (perfect pixel, aligned to the task bounds) can be done in a separate task

Bug: 317072320
Flag: NONE
Test: manually

Old behavior: https://drive.google.com/file/d/11UQyEB-EhKYu1eisjAW_MnhV-drrT38E/view?usp=sharing (icons are missing in RTL mode)

New behavior: https://drive.google.com/file/d/1GrZe6J8zBIoHtP7DzgZnpJiyz2XWujLf/view?usp=sharing

Change-Id: I2fe7defd1c668326ab0e0114a4cd9793e66d6175