Revert change in qs padding in portrait

When not using combined headers, the padding should be smaller as the
old headers take less vertical space.

Test: manual, with and without flag
Test: atest com.android.systemui.qs
Fixes: 251235055
Change-Id: Ic56f2eceae76e3613737f02f4c511bec9766fe95
(cherry picked from commit e6b106bc)
Merged-In: Ic56f2eceae76e3613737f02f4c511bec9766fe95