Merge "Implemented nearby button that displays wifi sharing intent and long press button that opens wifi qr share fragment" am: d1b9b7f87f am: 72dad8bc9d

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/1552081

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iae883594bbcf485c096b77152a82154b3caafdef