Import androidx AppBar changes

Import the followings,
I9077d87634b829ab7a42febdb6d89a5f1e677ced
I8c4a6ce56fb4a77a1e3eb17c6cad139b16bdc6ff
Ib1d90564f8942c372808623ff031cb1dd9b02609

Bug: 289155281
Test: manual - with gallery
Test: unit test
Change-Id: I87b4fc5a879f4dccfe67d68edccdf25b1b034df7
2 files changed