Revert the fadeout effect of app name text

Applying the fadeout effect to the app name requires multiple
layouts and a custom shader, which are causing some performance
regressions.

This change reverts the effect back to the original
android:ellipsize="end".

Flag: com.android.window.flags.enable_restart_menu_for_connected_displays
Bug: 411283559
Test: manual
Change-Id: I3285723783fff3f0eafbec3f8bde2ab27c408aff