Pad bottom of settings list view with bottom system insets am: ed49a7187d am: fc96a7d41e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14738959

Change-Id: Ie8c7a86a9a1ff66090cf67e6a36a51ed3672abe1