Add emoji 11 font

Includes all Unicode 11 emoji. There are also some changes to flags
where flags are updated to the upstream.

Test: m fontchain_lint
Test: Visual test with a build and sample app
Bug: 77148691
Change-Id: I316a67dc328d9823e900e135b0a6bfff5ca344e5
Merged-In: I316a67dc328d9823e900e135b0a6bfff5ca344e5
Merged-In: I678d36df1111e134bf7f729bd2906fe22112a443
Merged-In: I7484f95353fb30c360cea5a3484777ffb2a9ade9
(cherry picked from commit 9d13083d935af4c46e40f91e7868795206748ec5)
2 files changed