Merge "Fetch context URL from the top-most app, send with share if available."...

Merge "Fetch context URL from the top-most app, send with share if available." into tm-qpr-dev am: 633bd1e8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21059523



Change-Id: Ifbec1437c40942f6209056d44ed01402c887e901
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>