Recreate footer actions when density was changed

Bug: 317317814
Test: Manual, changed display size settings and observed that the footer
 actions had a correct size.
Flag: N/A
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:33fbe715bf2f8513f67175286852c17f83c295e6)
Merged-In: Ide89df32fd3b69dc0eb02ce6a0f9e354457c26d5
Change-Id: Ide89df32fd3b69dc0eb02ce6a0f9e354457c26d5