Align footer actions with notif background

In split shade, align the bottom of the footer actions (circles) and the
security footer with the bottom of the notifications background.

Test: manual
Test: atest NotificationQSContainerControllerTest
Fixes: 220344583
Fixes: 221823497
Change-Id: I0b132d4f1b238b6ce14905dbf7eccfb9896577ba
4 files changed