[Discount][Clank]Fix layout of commerce bottom sheet.

This CL includes: 1.Fix on price tracking button due to compound
drawable issue in recycler view crbug.com/372820957.

Before:https://screenshot.googleplex.com/3d4cRarbt5W2pkY
After:https://screenshot.googleplex.com/AKc9Fw9RWzVtWnk

2.Refactor to add custom padding properties to commerce bottom sheet.
Should be no visual UI change on the padding.
https://screenshot.googleplex.com/5W9FTrWQWqk3B7D

Bug: 362361187
Change-Id: Iad01cc8052fef341b04722319aa4fb33e0f0368b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6345068
Reviewed-by: Mei Liang <meiliang@chromium.org>
Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Qi Bao <qib@google.com>
Cr-Commit-Position: refs/heads/main@{#1432884}