Merge "Add FontManager#updateFont API" into sc-dev am: ad68508496 am: ca3b164d78

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13422366

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ide21f938f21b37119bba546f6198fbd4ab865404