Merge "Notifies magnification change for the transitioning target mode" into...

Merge "Notifies magnification change for the transitioning target mode" into tm-dev am: b26d2ae8 am: c4dddbfe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17040106



Change-Id: I113612f8f6c7511972dc281cf6ef22b6c64c29e5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>