[QSDetailedView] Make the button tappable area larger in the details view

Uset the default button size, which is the size in the mock.

Bug: 409632143
Flag: com.android.systemui.qs_tile_detailed_view
Test: Only change the view size. Existing unit tests still pass.
Change-Id: Iad50ad0c421e856a9536c32ced2ad6b446011255