Listen for REQUEST_LISTENING on all users.

If a secondary user installed an app that provided and ACTIVE_TILE
TileService, that tile's requests for listening would go unnoticed
before this CL.

Test: manual with ACTIVE TILE apk
Test: atest TileServices
Fixes: 157539282
Change-Id: Ibbf018dc0fcbcef95a3e49ddbc7d6c5a9396848c