Merge "Create hint session asynchronously" into udc-dev am: 5c406a3c am:...

Merge "Create hint session asynchronously" into udc-dev am: 5c406a3c am: e570abbe am: 56b69b14

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22951911



Change-Id: I989806fe81d520204dddeaea8546c7beff45c1cb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>