Merge "Supported UNKNOWN in IWLAN handover rule" into tm-d1-dev am: 2c6ac09b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19509981



Change-Id: Id9d110aae42110a3509a746a80ed59858a72fd3a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>