Change size of All Apps bottom sheet

This brings the size of the bottom sheet closer to the spec provided by UX. For that type of flexibility to be possible, more attributes are introduced and some calculations had to be changed.

This shouldn't affect phones.

Bug: 218638090
Test: visual, with dumpsys and HSV
Change-Id: Ieee7580d80d8e100837b1cdd7a1455c4d65612dc