Merge "Add Instant Tether network icon" into udc-qpr-dev am: a931a9bc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24122123



Change-Id: I6e408b36388334093e3ef6d0a264199505235aac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>