[Media TTT] Add NoLongerCloseToReceiver callback.

Bug: 203800643
Bug: 203800347
Test: verify `adb shell cmd statusbar media-ttt-chip-sender Device
NoLongerCloseToReceiver` hides the chip
Test: media.taptotransfer tests

Change-Id: Iceea7c10b23dc1b175e11335ca4fcf695ca98fb6
7 files changed