Merge "Expose method for registering for current user's gesture inset scale"...

Merge "Expose method for registering for current user's gesture inset scale" into tm-qpr-dev am: cc1eccc4 am: 68abcce4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21343697



Change-Id: I618b7761c2aa5bc121eb8ab1dedf1339f53eeab9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>