[SB][Chips] Don't allow status bar chips to overlap with app handles.

Bug: 397506207
Flag: com.android.systemui.status_bar_app_handle_tracking
Test: atest ChipsMaxWidthTest
Test: manual: with 3 chips + fullscreen app handle, adjust display &
font size and verify chips hide and show without ever overlapping the
app handle. Verify in both LTR and RTL

Change-Id: I09bee1bbd87fbf3b2b88a74f2f0e6302172c5e26