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: 6724a507

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



Change-Id: Id97468d1a9aea9baf970ff4dc8db34926f056120
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>